Best Sync Atomic Clocks

More on WallarGe 14.5'' Atomic Clock with Backlight, Large Digital Wall Clock Battery...

• [Atomic Clock with Backlight] Never Need Setting, a built-in receiver that automatically synchronizes itself with the WWVB radio broadcast, it will always be accurate to within one second as it receives daily WWVB updates. Three levels (OFF-LOW-HIGH) backlight helps you to know what time it is without turning the light on late at night.
• [Large Digital Wall Clock] 14 inches large display with 4.3 inches numbers make this digital wall clock easy to read and it's visible around the entire room, friendly to the elderly and the visually impaired.
• [Digital Wall Clock Battery Operated] The clock is supported by four AA battery (not included). No wires make it can be placed anywhere; and the low battery symbol reminds you to replace the battery in time to avoid getting the wrong time due to low power.
• [Digital Clock with Date and Day of the Week] This digital wall clock with backlight not only does it give you the time, you can also get the day, date and current indoor temp at just a glance. And the day and temp display could be chosen to display alone or in turns every 10s.
• [Perfect Gift for Beloved Person] Large digital wall clock with backlight makes it easy to know the time, two different time and temperature formats (12/24H; ℃/℉) are available. An ideal present for those who want to keep track of their time.

More on WallarGe Atomic Clock with Outdoor and Indoor Temperature - 12.5 Inch...

• Accurate Atomic Clock – Never Need Setting. Atomic clock has a built-in receiver that automatically synchronizes itself with the WWVB radio broadcast by the US Government’s National Institute (NIST) in Fort Collins, Colorado. The Atomic Clock will always be accurate to within one second as it receives daily WWVB updates.
• Wireless Outdoor Temperature Sensor - The Wireless outdoor sensor transmits the outdoor temperature to the atomic clock. The sensor should be placed within 100ft of the clock. Also, clock has a built-in high-quality indoor temperature sensor so that you can read the temperature both indoor and outdoor.
• Digital Wall Clock or Desk Clock - Jumbo 2.5" Height Time Digital Display - Use as either a wall clock or as a desk clock, it is easy to read, easy to Use and easy to set up. This atomic clock has been designed with absolute simplicity in mind, you can also set it manually. They are excellent clocks for seniors, perfect for anyplace in your home or office.
• Multiple Display Modes – 12/24 Hour time formats with accurate and clear second minute and hour display; 4 time zone to choose (PST, MST, CST, EST); auto daylight saving time; temperature display units in Celsius (℃) or Fahrenheit (℉).
• Battery Operated Atomic Wall Clock – Both clock and outdoor sensor are supported by batteries only, no need to plug or charge(Batteries not included). The existed alarm features can wake you up in the morning or help you keep track of dates and days of the week to avoid missing any important meetings or appointments.

More on WallarGe Atomic Clock with Indoor Temperature and Humidity, 12.5 Inch...

• Atomic Digital Clock Auto Set (No back light) - Using radio frequencies broadcast from NIST’s Colorado , the clock will automatically set to the correct time. Automatically adjusts to Daylight Savings Time while set the DST on.
• Atomic Wall Clocks Battery Operated with Alarm - This digital calendar alarm day clock required 3 “AA” long life batteries (Not included) for operation, no redundant wires, easy to use. Turn on the alarm clock before going to bed, it will wake you up in the morning.
• Clock with Temperature and Humidity - Excellent wall clocks for living room, office, bathroom decor,etc. Help you monitor indoor temperature and humidity to avoid cold. 12/24 hours formats with clear Hours, Minutes and Seconds display; 4 Time Zone to choose.
• Atomic Clock Large Display for seniors - WallarGe atomic clock has been designed with absolute simplicity in mind, you can also set it manually without any more ado. Wall clock or desk clock, large and clear digital display, easy to read.
• Digital Wall Clock with Accurate Date and Time - This digital calendar alarm day clock can help you keep track of dates, days of the week and times to avoid missing any important meetings, appointments or anniversaries, work well for work, study or travel schedule.

More on LFF Atomic Clock 4.5" Numbers, Atomic Wall Clock with Indoor & Outdoor...

• 🌈 HIGH DEFINITION DISPLAY: The atomic clock has an upgraded large LCD screen, which is friendly to the elderly or visual impairment. The screen displays indoor outdoor temperature, alarm, time and date; 6 time zones are available, including EST, CST, MST, PST, AKT and HST; the time display comes with 12 / 24 hour format, while the temperature display unit is (°F) / °C for easy reading.
• 🌈 DUAL INSTALLATION: LFF atomic wall clock has 2 installation methods, it includes a table stand and a wall mount to make it stand on the table or hang on the wall. It has simple buttons, easy to set. You can manually set the time zone, language, date, time, RCC reception, alarm clock and reception channel in sequence (Default channel 1).
• 🌈 POWERED BATTERY: Atomic clock indoor outdoor thermometer is powered by 4 AA batteries(not included), the wireless outdoor sensor is powered by 2 AAA batteries(not included). Functional and stylish design makes it a perfect decor to kitchen, living room, bedroom, library and office. (Note: no backlight display)
• 📡 ATOMIC CLOCK: Digital clock adjusts time & calendar to atomic signal automatically, and could count seconds accurately.The wall clock can synchronize with WWVB radio, and the time zone can be selected according to the location. The transmission range is up to 328ft(100M) in an open area. The outdoor waterproof rating is IPX4, which is Splash-proof. For the transmitter, place the unit in an area protected from direct rain.
• 🎁 WHAT YOU WILL GET: 1×atomic clock; 1×outdoor sensor; 1×manual; Our digital clock measures in 14.2”×9.4”×1.1” inches. If you have any quality problems, please contact us in time.
• ⚠️ Note: Temperature below -4°F require Lithium batteries in the outdoor sensor.

More on Geevon Digital Atomic Alarm Clocks for Bedrooms with Battery Backup, HD Color...

• 【HD DISPLAY DIGITAL COLOR ATOMIC CLOCK】 Geevon atomic alarm clock color display is designed with a large 6-inch clear HD display and big digits providing wide view angles. It has 7 time zones: AST(-4)、EST(-5)、CST(-6)、MST(-7)、PST(-8)、AKST(-9)、HST(-10). By setting the time zone on the clock and leaving it plugged in overnight, it will automatically sync to the correct time during the night with the WWVB function on, while also self-updating for daylight saving time (DST).
• 【MULTI-FUNCTIONAL ATOMIC ALARM CLOCK】 Digital atomic alarm clocks for bedrooms with battery backup, vivid digits, adjustable brightness, and different colors for each function that can be easy to read the information during the day and night without causing any disturbance during sleep. It displays the time, date, day, and indoor temperature & humidity, and also offers real-time moon phases for those who track the lunar cycle.
• 【ALARM CLOCK & INDOOR THERMOMETER HYGROMETER】 Geevon atomic clock with indoor temperature and humidity features a snooze function which is helpful for those who find it hard to get up in the mornings. With the digital calendar function, it also can be an ideal wall and desk clock for bedrooms, offices, schools, and shops. Including indoor temperature & humidity readings and comfort indicators, which can help monitor the living conditions of your home and provide a useful reference for you to adjust the thermostat.
• 【2 USB Ports】 Digital atomic desktop alarm clocks with multiple USB ports can charge your cell phones, tablet computers, and other electronic devices. The clock is primarily powered by the included AC adaptor, but in case of power interruption, it is recommended to use 3 AAA batteries simultaneously to ensure seamless use during power outages and store your time and alarm settings. Additionally, there's a user-friendly low-battery warning function that will appear to remind you to replace the batteries in time.
• 【BACKLIT ALWAYS ON】 Digital atomic alarm clocks for bedrooms with backlight, indoor temp & humidity, and moon phases can be always illuminated with AC power cord plug-in. It provides adjustable 5-level brightness options of 100%, 60%, 30%, 5%, or off to ensure comfortable usage for your eyes. With built-in stand bracket and hanging hole that can be placed on the desk of the bedroom or hung on the wall of the living room. It is a great choice for a birthday/festival gift for the elderly, parents, children, families, and friends. We offer 30-day money-back, 12-month warranty, and lifetime consulting services.

More on XREXS 17.2" Large Digital Wall Clock Bluetooth Sync Time, Precise Atomic...

• 【Internet Time Synchronized】Just connect the Bluetooth "LED CLOCK" and the digital wall clock can automatically and accurately match the time. Automatically update the date and time after plugging in, and automatically calibrate the time three times a day to ensure the accuracy of the time and avoid the trouble of manual setting.
• 【17.2" Large LED Digital Display】The 17.2" large LED display has automatic dimming function, which can automatically dim according to the light level. Clear numbers can be easily read anywhere in the room. It is very suitable for teenagers or the elderly who go to school, and the simple and personalized design is also a beautiful decoration in your room.
• 【Multi-Functional Clock with Remote Control】XREXS digital clock large display has 3 modes: count up/down timer, alarm clock, Clock. You can just press mode button to change mode, easy to operate. User-friendly design, 12 or 24 Hour display formats with indoor temperature display in ℃ or ℉, meet your various needs.
• 【Accurate Date and Time】This large digital wall clock can automatically sync the time to the second by connecting to Bluetooth, making it more accurate than ordinary electronic clocks. Once it has successfully connected, there is no need to install AAA batteris for backup and reset the clock, even after a power outage. It will automatically update the time. Therefore, it is ideal for people in need of accurate timekeeping.
• 【Wall Clock & Desk Clock with A Power Plug】The wall mounted clock has a power plug so you don't have to change batteries often, two keyholes for easy wall mounting and a fold-out backstand for tabletop or shelf placement. It is easy to set up, you can easily set up clock with buttons on the device or remote control.

More on SHARP Atomic Analog Wall Clock - 12" Black Stylish Frame - Sets...

• ATOMIC ACCURACY: The Atomic clock has a built-in receiver that automatically synchronizes itself with the WWVB radio broadcast by the US Government’s National Institute (NIST) in Fort Collins, Colorado. The Atomic Clock will always be accurate to within one second as it receives daily WWVB updates.
• AUTOMATICALLY SETS: Clock resets regularly by radio-control to match the US Atomic Clock in Colorado and adjusts automatically for daylight savings time
• BLACK STYLISH FRAME: Frame design and hands add style and longevity to any décor
• BATTERY OPERATED - (Requires 1 x AA batteries - not included)
• EASY TO READ - EASY TO USE: Simple, easy to read style fits any decor and is easy to read - perfect for any room in the house: den, office, kitchen, kids room, garage

More on WiFi Clock, Atomic Clock, Automatic Time Calibration, with Clock Area...

• 【WiFi Time Sync】7.48" big screen alarm clock ensures precise timekeeping by automatically synchronizing with the current time via WiFi. Besides the time, It can display the week, date, temperature, and humidity. Illuminated LED digits ensure make it is easy to read from anywhere in the room. With a folding shelf and two hanging holes, you can put in bedrooms, living rooms, kitchens, offices, and more.
• 【Temperature and Humidity Monitoring】This alarm clock displays temperature and humidity, allowing you to monitor your home's climate easily. You can remotely monitor your home's temperature and humidity levels by downloading the app. You will receive an alert on your smartphone if the levels exceed a set threshold.
• 【Adjustable Brightness】Digital alarm clock with 5 Adjustable Brightness levels can suit any time of day, This makes it an ideal alarm clock for bedrooms, ensuring a comfortable sleeping environment without disturbing bright lights. Whether for your bedroom, office, or any living space, this clock adds convenience and style.
• 【Dual Alarm with Snooze】This alarm clock features dual alarms, ideal for couples or individuals with different wake-up times. Simply tap the top button for an extra 5-minute snooze. It has a large clear display and supports both 12/24-hour formats, making it easy for kids, adults, and seniors to use. The clock requires plug-in power and comes with a 3-meter cord (adapter not included). The backup battery ensures your time and alarm settings are saved during power outages.
• 【Cool Gift】 This alarm clock is a great gift for Christmas, New Year, or a Birthday. It has no limitation, you can give it to kids or seniors, boys or girls, friends or families. any questions, pls contact us via Amazon, and we will respond as soon as possible.
• 7.48in Digital clock - Bold large numbers make it easy to read from anywhere in the room, Alarm Clock calendar with WIFI,time,date,day,temperature humidity for bedroom,dual alarms. Suitable for many scenes and large spaces.

More on Sharp Atomic Clock - Atomic Accuracy - Never Needs Setting! -Silver Tech...

• Atomic Accuracy: The Atomic clock has a built-in receiver that automatically synchronizes itself with the WWVB radio broadcast by the US Government’s National Institute (NIST) in Fort Collins, Colorado. The Atomic Clock will always be accurate to within one second as it receives daily WWVB updates.
• Wireless Outdoor Sensor: The Wireless outdoor sensor (included) transmits the outdoor temperature to the Atomic Wall Clock. The sensor can be placed anywhere within 100ft of the receiving unit. The wireless technology means no wire installation is necessary. Note: The wireless sensor is included in the box, separate from the clock.
• Jumbo 3” Tall LCD Time Display - Easy to Read, Easy to Use, Easy to Set up - Use as either a wall clock, or as a desk clock with integrated stand. Perfect for anyplace in your home.
• Displays indoor and outdoor temperature - Displays calendar and day of week
• Battery powered: Main unit 3 x AA batteries - Sensor 2 x AAA batteries (not included)

More on Sharp Atomic Clock Jumbo 3" LED Display In/ Out Temp Calendar Color Black...

The Sharp Atomic Wall Clock has a built in receiver that automatically synchronizes itself with the WWVB radio broadcast by the US Government ‘s National Institute of Standards and Technology (NIST) in Fort Collins, Colorado. The Wireless Sensor placed anywhere within 100 feet of the receiving unit to receive the outdoor temperature. NO wire installation needed! Automatically Sets for Daylight Savings Time: Just set the Daylight Savings Time too ON. The Atomic Clock with LCD display will always be accurate to within one second. If the atomic icon is flashing, the clock is looking for the Atomic signal. Wait until the atomic icon stops flashing before continuing with the clock set up. In most areas, a signal can be received at night. If the clock doesn’t receive the WWVB Atomic Signal immediately, wait overnight and it will be set in the morning. Classic Home Decor Style Material Plastic Color - Black

More on SHARP Digital Atomic Clock, Atomic Accuracy, Date, Temperature, Black Case,...

The Sharp Atomic Alarm Clock with Indoor Temperature has a built in receiver that automatically synchronizes itself with the WWVB radio broadcast by the US Government's National Institute of Standards and Technology (NIST) in Fort Collins, Colorado. The Atomic Clock will always be accurate to within one second as it receives daily WWVB updates. The clock may be hung on the wall using the hang hole at the back of the clock or displayed on your nightstand by pulling out the kickstand. You will always know what day it is with a quick glance thanks to the calendar and the day of the week display. You also get the benefit of real time indoor temperature displayed on your clock. It's easy to illuminate the whole display for 5 seconds, just press the snooze button on top of the clock. The backlight will also illuminate when the alarm sounds.

More on Sharp Atomic Clock - Jumbo 3" Easy to Read Numbers - Never Needs Setting! -...

The Sharp Atomic Wall Clock has a built in receiver that automatically synchronizes itself with the WWVB radio broadcast by the US Government ‘s National Institute of Standards and Technology (NIST) in Fort Collins, Colorado. The Sharp Atomic Clock will always be accurate to within one second as it receives daily WWVB updates. The Wireless Sensor transmits the outdoor temperature to the Sharp Atomic Wall Clock. The sensor can be placed anywhere within 100 feet of the receiving unit. NO wire installation needed!

More on Better Homes & Gardens Silver Atomic Wall/Table Clock with Moon Phase & Calendar

This clock comes with important features to provide information you need to know. The atomic clock wirelessly gives you the current outdoor temperature It self-sets the time and date to the Atomic signal for the best accuracy classic design is suited for home or office and features a time alarm with ten-minute snooze option. The clock displays in either 12 or 24 hour mode and adjustable in 7 different time zones. Temperatures can read in either Fahrenheit or Celsius and modifiable language settings in either English, Spanish, or French. This elegant, simplified wall clock gives you the ability to be prepared for almost anything. Optional mounting to place onto a desk or hang onto your wall.

More on Atomic Clock 12 Inch

Looking for the ultimate in timekeeping? Look no further than our atomic clock for sale here at Walter Drake. Unlike traditional clocks that use mechanical functions to keep time, atomic clocks use atoms' frequencies, which is caused by electrons crossing. These atomic clocks (also called atomic frequency standards) are based on advanced physics, involving cesium beams and fountains. This atomic wall clock is synchronized with the NIST-F1 cesium fountain clock located at the National Institute of Standard and Technology (NIST) in Boulder, Colorado. Because of this, it requires no adjustments, even in Daylight Savings Time, and it maintains an accuracy of 10-9 seconds per day. Our incredibly accurate atomic clock for sale requires 1 AA battery and is available in black or silver styles. This 12"dia. analog atomic clock has a dome shape that is highly visible and easy to read and has a 9" face. Purchase one of our atomic clocks for every room of your home or buy an atomic clock to give as a unique gift to friends and family members--particularly to those who have an interest in physics.

More on Big Screen Atomic Clock

Automatically receiving a daily radio signal, this self-setting large screen clock offers precise time--to the second! Features large, easy-to-read face displaying time, temperature, day, date and time zone. Big screen atomic clock has an alarm that includes 5-minute snooze. Uses 2 AAA batteries; not included. 5 1/2" wide x 3 1/2" deep x 2 1/4" high. Self-setting functionality works only in the following US time zones: Eastern Standard Time, Central Standard Time, Mountain Standard Time and Pacific Standard Time.

More on LFF Atomic Clock - Never Needs Setting, Battery Operated, 15" Atomic Wall...

What Should I Pay Attention to When Using WWVB Features? Please select the correct time zone before RCC search. Make sure your location can successfully receive the time signal, place the clock in an open place or near a window with good signal. Please place the device more than 3.28 feet away from sources of interference such as TVs, computer, microwave, radio, etc. Closed areas such as airports, basement, factories and areas, in which reinforced concrete was used in the walls, are not recommended. If the RCC time signal is not received successfully and the time automatic setting fails, you can also cancel the radio reception and set the time manually. Sometimes in extreme weather or weak signal or other disturbances appear nearby, the clock may also appear to receive the wrong time signal instruction.For more information, please refer to the WWVB web page of NIST. After 48 hours, if the clock hasn't received the signal, or if you have any queries, problems or do not understand any parts of these instructions, please write to us. How do atomic clocks work? Atomic clock is an extremely accurate timepiece. Most atomic clocks in north america use WWVB's transmissions to set the correct time automatically. They can receive the time signal transmitted by the national institute of standards and technology (NIST). The NIST broadcasts the time signal (WWVB,60KHz) continuously from Fort Collins, Colorado. It is expected that the signal can reach a distance of over 2,000 miles from the transmitter. The atomic clock has a built-in RCC receiver for automatic synchronization of WWVB radio broadcasts. Atomic clocks will always be accurate to within one second when receiving daily WWVB updates. GREAT GIFT IDEA With beautiful packaging, good design and a variety of great features, this digital wall clock is the perfect gift for parents, friends, heavy sleepers or light sleepers. The perfect gift for Thanksgiving, Christmas, Birthdays and more. Clock size: 14.2''×9.4''×1.2''. Automatically update daylight saving time (on/off option). Atomic clock with big numbers, making it easier for family members to know the time, date,week, indoor / outdoor temperature and humidity. 8 time zones to choose from: EST, CST, MST, PST, AKT, HST, AST,NST. The outdoor sensor can wirelessly receive the transmission signal within a range of 328 feet. The large atomic clock can be used as a atomic wall clock or as a desktop atomic clock. Battery powered: Clock 4 AA batteries (not included), Sensor 2 AAA batteries (not included). Never Needs Setting Digital atomic wall clock automatically synchronizes itself with the WWVB radio broadcast by the US every day. Government's national Institute of standards and technology (NIST) in fort collins, colorado.It automatically enters the RCC search every midnight at 12:00, 1:00, 2:00, and the digital wall clock automatically updates the time, week, calendar. Note: Please select the correct time zone before RCC search. Battery Powered (No Backlight) The battery atomic wall clock is supported by 4xAA battery and outdoor sensor is supported by 2xAAA battery. (Batteries Not Included) Atomic Clock for Wall or Desk It can be easily hung on a wall or placed on a tabletop using the sturdy fold-out stand. LCD large display and large digits of the clock make this beautiful clock ideal for home, office, school, hospital, etc.

More on La Crosse Technology Atomic Digital Gray & Silver Contemporary Clock,...

Add a warm and inviting flair to your adult home with this two-tone digital atomic time and date clock. In a bedroom or dining room, the elegant timepiece offers more character with its unique design. Accurate to the second atomic digital time automatically sets time and adjusts to Daylight savings time if you prefer. Displays temperatures in either Fahrenheit or Celsius and offers 330 feet range from wireless transmitting sensor. Battery operated for added convenience.

More on Sharp Atomic Clock - Atomic Accuracy - Never Needs Setting! - Jumbo 3" Easy...

Sharp Atomic Clock - Atomic Accuracy - Never Needs Setting! - Jumbo 3" Easy to Read Numbers - Indoor/ Outdoor Temperature Display with Wireless Outdoor Sensor - Battery Powered - Easy Set-Up!! Product Details Size: 3" Numbers Brand: Sharp MPN: 8541848315 UPC: 049353998732 EAN: 0049353998732 Product Dimensions: 13 x 11 x 1.5 inches Item Weight: 1.46 pounds Manufacturer: Sharp Item model number: 8541848315 Is Discontinued By Manufacturer: No Date First Available: January 1, 2019 Atomic Accuracy: The Atomic clock has a built-in receiver that automatically synchronizes itself with the WWVB radio broadcast by the US Governments National Institute (NIST) in Fort Collins, Colorado. The Atomic Clock will always be accurate to within one second as it receives daily WWVB updates. Wireless Outdoor Sensor: The Wireless outdoor sensor (included) transmits the outdoor temperature to the Atomic Wall Clock. The sensor can be placed anywhere within 100ft of the receiving unit. The wireless technology means no wire installation is necessary. Note: The wireless sensor is included in the box, separate from the clock. Jumbo 3 Tall LCD Time Display - Easy to Read, Easy to Use, Easy to Set up - Use as either a wall clock, or as a desk clock with integrated stand. Perfect for anyplace in your home. Displays indoor and outdoor temperature - Displays calendar and day of week Battery powered: Main unit 3 x AA batteries - Sensor 2 x AAA batteries (not included) Easy to Read Sharp Atomic Clock with Indoor & OutdoorTemperature with Wireless Outdoor Sensor Atomic Accuracy: The Atomic clock hasa built-in receiver that automatically synchronizes itself with the WWVB radiobroadcast by the US Government’s National Institute (NIST) in Fort Collins,Colorado. The Atomic Clock will always be accurate to within one second as itreceives daily WWVB updates.Wireless Outdoor Sensor: The Wireless outdoorsensor (included) transmits the outdoor temperature to the Atomic Wall Clock.The sensor can be placed anywhere within 100ft of the receiving unit. Thewireless technology means no wire installation is necessary.Jumbo 3.3” TallLCD Time Display - Easy to Read, Easy to Use, Easy to Set upDisplays indoorand outdoor temperature - Displays calendar and day of weekBattery powered:Main unit 3 x AA batteries Sensor 2 x AA batteries (not included) Easy to Read- Easy to Use - Atomic Accuracy The Sharp Atomic Wall Clock has a built inreceiver that automatically synchronizes itself with the WWVB radio broadcastby the US Government ‘s National Institute of Standards and Technology (NIST)in Fort Collins, Colorado.

More on MainStays Black Atomic Digital Calendar Desk Alarm Clock with Temperature,...

Be ready for the day with the Mainstays Digital Atomic Clock with temperature. This timepiece comes with convenient features to provide information you need to know. The self-setting clock wirelessly gives you accurate time and date, so you'll sure to be on time. It has a WWVB radio signal antenna for the time's best accuracy and automatically resets for daylight savings' time. It also functions as an alarm clock and offers a crescendo alarm (gradually increasing) with an extra 10 minute snooze. The clock is battery operated, so it will keep the correct time after black outs or power surges. It will also indicate when it's time to change its batteries (requires 3 AAA, sold separately.) This time-keeper gives you the ability to be prepared for almost anything. It offers seven different factory-set time zones (Atlantic to Hawaiian), so you need to do is select your time zone, place the clock facing the WWVB signal direction (NIST tower located in Fort Collins, CO USA) and time will automatically set your time and date, accurately. Monitors the room temperature and viewable in either Fahrenheit or Celsius. All you have to do is take a glance, and you will be set for the day.