Top 10 Atomic Clock Battery Powered – Electronics Features

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1. DreamSky


Auto DST, 12/24Hr, 5 Inch Large Display with Date Weekday Temperature, Snooze, Full Range Brightness Dimmer, DreamSky Auto Set Digital Alarm Clock Backup Battery with USB Charging Ports for Bedroom

DreamSky #ad - Additional snooze to counter oversleeping, simply press the snooze button once and go back to sleep. Large display with full range dimmer: 5“ large lcd screen with nice eye care number display. Plug in clock with usb charging port: powered by usb port by plug in outlet.

Simple as that. Auto dst and selectable time zone : automatically adjusts to daylight savings time while set the DST on. Seven usa time zone est/ cst/ mst/ pst/ast/hat/akt and one newfoundland time zone NST selectable for your location. 8 minutes later the alarm will ring again. What you need to do is set your time zone and wake up time. 3*aa batteries not included as backup, which will store the setting and keep the time works in case of main power outage.

Almost full range brightness settable 6 levels + auto dim, you can easily change to have the view bright or dim it to extremely low. Extra usb charging port for charging cellphone and other electronic device. Ascending beeping alarm with snooze: ascending alarm sound wake you up naturally. Advance autoset time : the alarm clock will set itself to right time, date and temperature immediately once plugged in. Even miss the right time, you are still able to set it manually.
BrandDreamSky #ad
ManufacturerDreamSky #ad
Height4 Inches
Length6.1 Inches
Weight0.66 Pounds
Width1.5 Inches
Part NumberDS313

2. DreamSky


Digital Clock with 6" Large Display, Auto DST, DreamSky Auto Set Alarm Clock for Bedroom with Battery Backup, USB Ports, Date/Weekday & Moon Phase, Brightness Dimmer, Humidity & Indoor Temperature

DreamSky #ad - The snooze feature allows you to catch more sleep. Time automatically changes for Daylight Saving Time, no reset hassle. An extra usb port serves as a charging station for your cellphone etc. No jarred awake nor blaring sounds. Self-setting alarm clocks with auto dst: plug in the clock and it sets itself, no need to set time manually.

Eight time zones optional: est/ cst/ MST/ PST/AST/HAT/AKT. Outlet powered desk clocks with battery backup: clock is adapter powered and 3 *AA backup batteries not included will keep the clock running and trigger the alarm in the case of power cut. Bedside digital alarm clock with usb charging port: alarm goes off with ascending beeping frequency, which lasts for 2 minutes. 6 level brightness plus auto dim mode: 6 level adjustable brightness plus auto dimmer allow you to dim the clock display to a comfortable level on your preference.

The swiss high precision shtC3 humidity gauge and temperature sensor assist you to maintain an accurate indoor air quality for your family. No glaring light at night but bright enough to read time. No need to worry about oversleep. Large clear display with temperature & humidity: the 6. 6 inches large screen displays the clock time, time zone & moon phases, day of the week, date, which is easy to read at any angle.
BrandDreamSky #ad
ManufacturerAMEXS #ad
Height1.95 Inches
Length7.1 Inches
Weight0.7 Pounds
Width4.3 Inches
Part NumberDS318
Warranty1 year warranty from purchase date.

3. Peakeep


Smart Night Light, Peakeep Alarm Clock Battery Operated, Indoor Temperature Humidity Digital Display for Bedrooms, Small Easy Desk Bedside Gifts Clock

Peakeep #ad - The cordless alarm clock has a gradually faster beep noise which continues for 90 seconds. Other functions such as 12/24 h, suitable for home, wine cellar, make this clock easy and helpful for kids, incubator, greenhouse, teens, garden, transfers °c or ℉ in temperature, office, closet, etc.

And for no light dazzling, you can also flip the night light switch to "OFF". Before the alarm stops itself, top snooze button can be continually pressed to get an extra 8-minute nap. A professional-level indoor temperature humidity gauge monitor allows you to keep an eye on family’s living conditions and home indoor health. Place the clock in darkness, sensor auto triggers a soft backlight to illuminate the display and the soft night light can be customed "LOW" or "HIGH". Humidity range is from 1%-99% rh with +-3% rh tolerance; temperature range is between -40 to 158 Fahrenheit -40 to 70 Celsius with +-1.

8 f +-1. 0 c tolerance. 3 aaa batteries not included will power the whole functions, easy to operate. This peakeep alarm clock integrates the functions of clock, indoor temperature, and humidity using the optimal typesetting to make each function captivated, concisely and eye-catchingly displayed. The peakeep small digital alarm clock measures 5 1/4 l * 2 w * 3 h inches, no more demand to look for a plug, 027lb, cord free, small and compact.
BrandPeakeep #ad
ManufacturerPeakeep #ad
Height3 Inches
Length5 Inches
Weight0.27 Pounds
Width2 Inches



BOCTOP Desk Digital Alarm Clock for Bedroom, 0-100% Brightness Dimmer, with USB Port for Charging, Green 6" LED Display, Adjustable Alarm Volume,Small Bedside Clocks., Snooze , Temperature

BOCTOP #ad - Usb port for charging - extra usb port allow you to charge your smartphone, iPad or other smart device without plug into any wall outlet, handy, conveniently and organized. The bedside alarm clock comes with one of the loudest alarms which can be adjusted from low to high based on your need.

Easy for boys, seniors and the elderly. Specialized knobs to adjust volume and brightness, teens, kids, girls, no any other confused functions like buttons. Illuminated large led digits with dimmable slider - the green numbers on the digital clock are very clear with extra bright quality, easy to see in daylight, though for times when a lesser brightness is required such as at night you can use the dimmer slider to reduce the brightness to your own personal comfort level. Notice: the battery back feature works for memorizing the time and alarm settings in case of main power outage.

Extremely simple to operate - the alarm clock has been designed with absolute simplicity in mind and you will have no problem to program and set the clock and alarm. Alarm will continue for 10 minutes ensuring definitely waking up. During the battery backup, the screen will go blank, but the clock will display correct time once power returns. Loud alarm and snooze - the best alarm clock for bedrooms. There is also a 9 minute snooze that can be continually pressed until the alarm itself is switched off.
BrandBOCTOP #ad
ManufacturerBOCTOP #ad
Height3.5 Inches
Length6.5 Inches
Weight0.6 Pounds
Width1.6 Inches
Part NumberH-266-3

5. Jingsense


Dimmer and Battery Backup, Bedside Alarm Clocks with Easy Snooze for Bedrooms, Table, Desk – Outlet Powered, Jingsense Digital Alarm Clock Radio with AM/FM Radio, Sleep Timer, 1.2” Big Digits Display

Jingsense #ad - Alarm with radio/beep bells – as an alarm clock radio, you can choose radio or beep to wake you up, adding a good mood for starting your new day. Sound of alarm clock will be getting louder until wake you up to turn off or snooze it. The snooze and on/off button provides easier and quicker control.

Green led display with dimmer – alarm clock with 1. 2" illuminated large led digital display, time is clear to see at a glance in bedroom. During battery back up the screen goes blank and your settings of alarm/clock/radio would be saved. The sleep timer function lets you fall asleep to the AM FM stations by preset the radio to play for a certain amount of time, 10-90 minutes optional. Pop in two aaa batteries for back up in case of a power outage.

12hr display with PM indicator. Ac 120v electric powered with battery backup - to power the clock, just plug the power cord into a standard US 120V outlet. You can choose low/BRIGHT according to your different needs. Great for kids, seniors and the elderly. Easy to operate - this basic household electric clock radio is simple and easy to operate. Am/fm radio digital tuning - easy digital tuning in am fm radio with 0-15 level volume adjustable.
BrandJingsense #ad
ManufacturerJingsense #ad
Height2.4 Inches
Length5.3 Inches
Weight0.68 Pounds
Width2.4 Inches
Part NumberJIN248USGREEN



Dimmer, Volume, Digital Dual Alarm Clock for Bedroom, USB Phone Charger, Large Display Bedside Clock with Battery Backup, Easy to Set Loud LED Clock for Heavy Sleepers Kid Senior Teen Boy Girl Kitchen

PPLEE #ad - Time and alarm settings as well as trigger the alarm when power failure. 12 or 24 hour time format &daylight saving time is also available. Stylish appearance is suitable for 𝘁𝗲𝗲𝗻𝘀 𝗯𝗼𝘆𝘀 𝗴𝗶𝗿𝗹𝘀 too!5 level adjustable digits brightness dimmer for easy reading, brighter for day while darker for night.

Alarm volume can be adjusted to 4 levels according to your depth of sleep, louder for heavy sleepers while slight for light sleepers. It has no limitation, but also a great gift for Christmas, boys or girls, pls contact us via Amazon, we will response in 24H. Clear understandable buttons make it 𝗲𝗮𝘀𝘆 𝘁𝗼 𝘀𝗲𝘁, perfect for 𝗸𝗶𝗱𝘀 𝘀𝗲𝗻𝗶𝗼𝗿𝘀. No worry battery backup settings with snooze: this 𝗽𝗹𝘂𝗴 𝗶𝗻 𝗮𝗹𝗮𝗿𝗺 𝗰𝗹𝗼𝗰𝗸𝘀 𝗳𝗼𝗿 𝗯𝗲𝗱𝗿𝗼𝗼𝗺 is outlet operated for all functions working, such as usb charging, alarm and time display. Large display with adjustable volume & dimmer: 𝗩𝗲𝗿𝘆 𝗹𝗼𝘂𝗱 𝗮𝗹𝗮𝗿𝗺 𝗰𝗹𝗼𝗰𝗸 𝗳𝗼𝗿 𝗵𝗲𝗮𝘃𝘆 𝘀𝗹𝗲𝗲𝗽𝗲𝗿𝘀 with 7" led 𝗹𝗮𝗿𝗴𝗲 𝗰𝗹𝗲𝗮𝗿 𝗱𝗶𝘀𝗽𝗹𝗮𝘆 for vision impaired people, easy to check time from across the room.

This cool stuff is not only suitable for your room, friends or families. Pplee 𝗱𝘂𝗮𝗹 𝗮𝗹𝗮𝗿𝗺𝘀 𝗰𝗹𝗼𝗰𝗸 also provides 365 days product warranty, you can give it to kids or seniors, any questions, New Year or Birthday. A 𝗯𝗮𝘀𝗶𝗰 𝗰𝗹𝗼𝗰𝗸 with enough practical functions for daily use: 4-level adjustable alarm volume, built-in USB charging port, SNOOZE function for extra 9 mins sleep, 5-level digits brightness dimmer, 12/24H & DST function also available.
BrandPPLEE #ad
ManufacturerPPLEE E-commerce Co.,Ltd #ad
Height1.5 Inches
Length8.5 Inches
Weight0.6 Pounds
Width3.5 Inches
Part NumberP-1001E-B
WarrantyLifetime customer support.

7. Welgo


Small Size for Bedroom, Welgo Digital Alarm Clock Radio with Dimmable LED Display, Portable FM Radio, AC Powered & Rechargeable Battery Operated, Seniors No USB Power Adapter, Auto-Off Timer

Welgo #ad - Setting auto-off timer 5-120 mins; end the day relaxing with a podcast to fall asleep to. Adjustable radio volume can goes up from low to high enough. Note: package not Include USB Power Adapter. It will save all settings even all power is out.

6-8h worry-free fm radio playtime. Easy snooze by pushing the easy to access button on top for extra 9 minutes sleep, up to 6 times. Compact size 6 *3. 5 *2 in fit in the palm of the hand. The low battery power indicator will remind you to charge; it needs 4-5 hours to fully charge. Auto-search/save the available FM station 87. 5-108. 5mhz at ease. Customizable volume controls with range: 1-15 level. No worry for the annoying alarms to wake you deaf or too low ones to let you oversleep.

Space-saving for nightstand and suitcase. Dimmable 4" led display with 1. 8" tall digits is easy on the eyes across the room even for visually impaired elderly ages. 6 brightness levels of your choice. With the built-in rechargeable battery, you can listen to your favorite FM channel for 6-8 hoursdepending on the volume and display brightness.
BrandWelgo #ad
ManufacturerKerchanTech #ad
Height3.5 Inches
Length6.2 Inches
Weight0.63 Pounds
Width1.8 Inches

8. American Lifetime


Day Clock Extra Large Impaired Vision Digital Clock with Battery Backup and 5 Alarm Options, Black, Newest Version, American Lifetime

American Lifetime #ad - Makes for a perfect gift - the words dementia, making it a great gift. Customer service - at american lifetime you can return the product for free within the first 30 days, no questions asked. If you are not completely satisfied with our products, alzheimer's and memory loss are intentionally excluded from the packaging, we will refund your money no questions asked.

Battery backup - this day clock also has battery back up a in case of a power outage, it automatically resets to the correct time and date when the power returns. Unique functions - the day clock by american lifetime is the only one of its kind to include a set of multi-function alarms. Our customer service team is here for you and happy to help answer any questions you may have.

We stand behind the durability of our goods and offer an unconditional guarantee. Set up to 5 daily alarms, with the option of reminders to take medications throughout the day. Key features - this unique 7 inch high resolution digital alarm clock clearly spells out the time, full day of the week, month and date in large, period of the day, clear letters with no confusing abbreviations.
BrandAmerican Lifetime #ad
ManufacturerAmerican Lifetime #ad
Height7.7 Inches
Length6.1 Inches
Width0.8 Inches
Part Number728044492413



7.5" Large Display LED Digital Clock with 7 Color Night Light,USB Phone Charger,Dimmer,Battery Backup,Easy to Set Loud Bedside Clock for Heavy Sleepers Adult Teen Kid Boy Girl, Alarm Clock for Bedroom

PPLEE #ad - Plug in outlet powered alarm clock with battery backup settings: this 𝗯𝗲𝗱𝗿𝗼𝗼𝗺 𝗮𝗹𝗮𝗿𝗺 𝗰𝗹𝗼𝗰𝗸 comes with a cable and AC adapter to power on it for ALL functions working, alarm and time display. With excellent after-sale service - 365 days product warranty, pls contact us via Amazon or our support email. It's easy to set time or alarm with big "HOUR" and "MIN" button on the top.

Batteriesnot included are only used for setting memories, such as USB charging, it can backup your time and alarm settings as well as trigger the alarm when power failure. Press “snooze” button when the clock rings to temporarily turn off alarm for 9 minutes. Dual usb charging ports: this 𝘁𝗲𝗲𝗻𝘀 𝗮𝗹𝗮𝗿𝗺 𝗰𝗹𝗼𝗰𝗸 𝘄𝗶𝘁𝗵 𝟮 𝗽𝗵𝗼𝗻𝗲 𝗰𝗵𝗮𝗿𝗴𝗲𝗿𝘀 on the back allows you to charge your iPhone, Android, Samsung cellphones or other smart devices at the same time while you are sleeping, ready for the next day!. Powerful but simple enough for seniors or kids to use. Press the big “light” button to change colors, hold press it to turn the night light off. Adjustable alarm volume & snooze function: this 𝗲𝘅𝘁𝗿𝗮 𝗹𝗼𝘂𝗱 𝗮𝗹𝗮𝗿𝗺 𝗰𝗹𝗼𝗰𝗸 𝗳𝗼𝗿 𝗵𝗲𝗮𝘃𝘆 𝘀𝗹𝗲𝗲𝗽𝗲𝗿𝘀 has 3-level low-medium-high adjustable alarm volume to meet your different needs.

Super large clear display with 0%-100% brightness dimmer: this 𝗮𝗹𝗮𝗿𝗺 𝗰𝗹𝗼𝗰𝗸 𝗳𝗼𝗿 𝗯𝗲𝗱𝗿𝗼𝗼𝗺 has 7 inch large display with eye protection green digits allows you to check the time across the room without putting your glasses on, especially for people who has a poor eyesight. 7 colors changing night light: simply get 7 colors bigger than average night light with the big “light” button on the top, this 𝗸𝗶𝗱𝘀 𝗮𝗹𝗮𝗿𝗺 𝗰𝗹𝗼𝗰𝗸 can also work as a bedside lamp when you need some light to do things but do not want to disturb others.
BrandPPLEE #ad
ManufacturerPPLEE E-commerce Co.,Ltd #ad
Height3.22 Inches
Length6.29 Inches
Weight0.7 Pounds
Width1.57 Inches
Part NumberPPLEE-1008--Green
WarrantyLifetime customer support.

10. DreamSky


Adjustable Alarm Volume, USB Charing Port, Temperature, 12/24H, 1.2 Inch Bold Digit 0%-100% Dimmer, Sleep Timer, Snooze, DreamSky Alarm Clock Radio for Bedroom, FM Radio Clock with Battery Backup

DreamSky #ad - Main outlet powered with battery backup: plug in any wall outlet to power the clock radio with the included DC adapter adapter wire length: 76 inch. Benefit sleep timer function lets you fall sleep to the radio by preset the radio to play for a certain amount time 10-120 minutes optional.

Adjustable alarm sound and snooze: wake up to buzzer or radio should your preference. Buzzer : 3 level, radio: 1-15 level. Digital fm radio only with sleep timer: easy tuning in fm radio channel with 0-15 level volume adjustable. 12 or 24hr switch, indoor temperature ℃ or ℉ Display. Speaker is loud and clear. The alarm will begin sound faintly then increases to its max within 5 seconds. 8 minutes interval snooze can be repeated in one hour until turning off. Both alarm sound volume can be adjusted to your comfortable level. 100%-0% completely adjustable display brightness for comfortable viewing.

Usb charging port: extra usb port allow you to charge your smartphone, a handy, ipad or other smart device without plug in wall, convenient and organized bedroom alarm clock radio. Electric digital alarm clock with full range dimmer for bedroom: 4 inches large lcd screen with eye easy catch blue number display, time and clock display are easy to read at a glance. 3* aaa battery not included backup needed for keep the clock working for a short time during electric power failures.
BrandDreamSky #ad
ManufacturerUS AMEXS LLC #ad
Height2.7 Inches
Length5 Inches
Weight0.77 Pounds
Width3.2 Inches
Part NumberDS206
Warranty1 year warranty.