
10 Best Atomic Alarm Clocks
Last Updated January, 2021
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Sharp
Sharp LED Digital Alarm Clock – Simple Operation - Easy to See Large Numbers, Built in Night Light, Loud Beep Alarm with Snooze, Bright Big Red Digit Display
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arrow_forwardEXTREMELY SIMPLE TO OPERATE - The clock has been designed with absolute simplicity in mind and is very easy to operate. Perfect for adults, children, teens, seniors and the elderly.
arrow_forwardKEYBOARD STYLE CONTROLS WITH ALL BUTTONS ON FRONT – No hard to reach buttons on the back, or complicated controls – Simple, intuitive buttons on the front panel of the clock make this one of the easiest clocks to operate!
arrow_forwardNIGHT LIGHT BUILT IN! – Need a convenient bedside night light? An extra light in the bathroom or nursery? Kids need a night light in their room? This is the clock for you!. The Sharp comes with a built in night light which can be activated by a simple switch on the front of the clock.
arrow_forwardJUMBO EASY TO READ 1.8” ILLUMINATED RED LED DIGITS - The Large Easy to Read Red Numbers on the clock are very clear with extra bright quality, See from across the room or even without glasses in the middle of the night!
arrow_forwardLOUD BEEP ALARM AND SNOOZE WITH BATTERY BACK UP - The bedside alarm clock comes with a beep alarm which to make sure you definitely wake up. There is also a 9-minute snooze that can be continually pressed until the alarm itself is switched off. Perfect for heavy sleepers. Use a single 9V batteries for back up in case of a power outage. During battery back up the screen goes blank but alarm and time settings are retained and the alarm will still sound

Marathon
Marathon Atomic Alarm Clock with Heat and Comfort Index - Date and Indoor Temperature. Backlight, Snooze and Loud Alarm - Batteries Included - CL030054WH (White)
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arrow_forwardHEAT & COMFORT INDEX: Choose between a convenient, easy to read comfort or heat index
arrow_forwardLARGE DISPLAY: The large, highly legible display features the time, day, date, temperature, humidity and either the comfort or heat index; DISPLAY: Push button to light up display
arrow_forwardBACKLIGHT: Pressing the SNOOZE/LIGHT button triggers an amber backlight
arrow_forwardATOMIC: This clock is self setting/adjusting using radio frequencies broadcast from NIST's Colorado Atomic Clock (Atomic feature only functions in North America, If clock does not set please contact customer service for assistance)
arrow_forwardALARM WITH SNOOZE: Features a progressive alarm with a conveniently placed SNOOZE button for easy access

Marathon
Marathon Slim Atomic Full Calendar Wall Clock with Large 3.25" Digits, Indoor Temperature and Humidity - Batteries Included - CL030067BK (Black)
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arrow_forwardSLIM JUMBO DISPLAY - This clock looks sleek and stylish, featuring 3.25-inch digits for easy viewing. Choose to display the time in 12 or 24 hour format
arrow_forwardMULTI LINGUAL OPTIONS: Days of week and month in 3 languages and user selectable- English, French and Spanish
arrow_forwardALARM WITH SNOOZE: Easy to set alarm with snooze function
arrow_forwardMULTIPLE TIME ZONES: You can easily switch between 7 time zones (Atlantic, Eastern, Central, Mountain, Pacific, Alaska, Hawaii) with option to turn on or off Daylight Savings Time
arrow_forwardSELF-SETTING/ADJUSTING - Using radio frequencies broadcast from NIST's Colorado Atomic Clock (Atomic feature only functions in North America)

Sharp
Sharp Digital Clock with Alarm and Dual USB FastCharge Charging Ports - Charge Your Phone Bedside - Battery Back-up - Easy to Use
More DetailsProduct Highlights
arrow_forwardEXTREMELY SIMPLE TO OPERATE - The clock has been designed with absolute simplicity in mind and is very easy to operate. Perfect for adults, children, teens, seniors and the elderly.
arrow_forwardDUAL USB FAST CHARGE PORT – 2 ports that are both 2 AMP USB Charge Ports – Quickly Charge your phone or devices.
arrow_forwardEASY TO READ ILLUMINATED GREEN LED DIGITS - Easy to Read Green Numbers on the clock are very clear with extra bright quality, See from across the room or even without glasses in the middle of the night!
arrow_forwardBATTERY BACKUP (2 x AAA - Not Included) - Use 2 – AAA batteries for back up in case of a power outage. During battery back up the screen goes blank but alarm and time settings are retained and the alarm will still sound

La Crosse Technology
La Crosse Technology 617-249 1.8 Inch Curved Blue LED Atomic Dual Alarm Clock
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arrow_forwardAtomic time (Manual set option) and automatic DST updates (on/off)
arrow_forwardCurved LED with bright 1.8Time display
arrow_forward1 amp USB charging port (charge cable not Included)
arrow_forwardDual alarms (A1 & A2) with 4 stage ascending sound
arrow_forwardProgrammable snooze (5-60 minutes) and adjustable brightness & volume

Product Highlights
arrow_forwardTouch button once for time announcement; touch again for day and date announcement
arrow_forward90-day warranty
arrow_forwardTime set by daily radio signal from atomic clock
arrow_forwardAlarm with snooze
arrow_forwardUses 2 C batteries (included)

Marathon
Marathon Atomic Alarm Clock with Heat and Comfort Index - Date and Indoor Temperature. Backlight, Snooze and Loud Alarm - Batteries Included - CL030054BK (Black)
More DetailsProduct Highlights
arrow_forwardHEAT & COMFORT INDEX: Choose between a convenient, easy to read comfort or heat index
arrow_forwardLARGE DISPLAY: The large, highly legible display features the time, day, date, temperature, humidity and either the comfort or heat index; DISPLAY: Push button to light up display
arrow_forwardBACKLIGHT: Pressing the SNOOZE/LIGHT button triggers an amber backlight
arrow_forwardATOMIC: This clock is self setting/adjusting using radio frequencies broadcast from NIST's Colorado Atomic Clock (Atomic feature only functions in North America, If clock does not set please contact customer service for assistance)
arrow_forwardALARM WITH SNOOZE: Features a progressive alarm with a conveniently placed SNOOZE button for easy access

Txl
TXL Jumbo Digital Alarm Clock 14.17" Large Oversized Display Calendar/Temp/12-24 Hr/Timer/No Lit, Energy Saving, Battery(Included) Operate Hotel Lobby Office Studio Kitchen School Wall Clock, Silver
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arrow_forwardA modern silver shell with high contrast display: 14.17" extra large screen with 4.6" bold font clearly spells out the time, month, date, temp, alarm, timer. It's clear enough to look at the time far away.
arrow_forwardAdded the function of precision timer, max countdown up to 29hr 59mins 59sec, applicable to beauty, baking, learning test, athletic or for timer activities with the family or school.
arrow_forwardNo charging required, more security than AC/DC power to reduce household electricity consumption. free to place: integrated keyholes at back of the clock make it easy to mount on the wall. It also features a fold-out stand for desktop use.
arrow_forwardPowered by 4* size AA battery(included). No need to be reset if it loses power, 2* size AAA battery backup (installed) is for memorized and restore all settings.
arrow_forwardA warm gift for elder parents, this must be the most delicate wall-mount/desktop clock you've ever seen. It's not only a clock, but also a great decoration for your room.

La Crosse Technology
La Crosse Technology 617-1485B Atomic Color Alarm Clock with USB Charging Port
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arrow_forwardAtomic self-setting time and date with automatic Daylight saving time reset
arrow_forwardUSB charging port for mobile devices (charge cable not included)
arrow_forwardIndoor temperature & humidity with trend arrows
arrow_forwardAdjustable backlight settings
arrow_forwardMoon phase icons

Marathon
Marathon Atomic Travel Alarm Clock with Auto Back Light Feature, Calendar and Temperature. Folds into One Compact Unit for Travel - Batteries Included - CL030036BK (Black)
More DetailsProduct Highlights
arrow_forwardSELF SETTING: Multifunction display is self-setting and self-adjusting
arrow_forwardMULTIPLE TIME ZONES: You can easily switch between 6 time zones (Pacific, Mountain, Central, Eastern, Atlantic & Newfoundland)
arrow_forwardMULTIPLE LANGUAGES: Choose from 5 languages (English, French, German, Italian & Spanish)
arrow_forwardAUTOMATIC BACKLIGHT: Uses a built in light sensor to detect if the clock has been placed in a dark environment, the backlight can also be manually operated; DISPLAY: Acrylic display is durable for cleaning
arrow_forwardCOMPACT SIZE: Measuring in at 3.25" x 0.5" x 2.75", our atomic clock is great for travel
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