Top Alarm Clocks Backup Battery Reviews

BALDR Atomic Alarm Clock - Large Color Display Digital Desk Clock - With Indoor Thermometer for Temperature & Humidity - Date & Real-Time Moon Phases - Perfect Office Clock or Nightstand Clock (Black)

...hat you can catch a little extra shut eye on those mornings when it's hard to wake up. The electronic calendar function makes these terrific desk clocks for office, place of business, or home alike. You won't find a better digital atomic calendar clock with indoor temperature readings anywhere!.
BUILT-IN BACKUP BATTERY: Our self setting digital clock is primarily powered via the supplied AC adapter. However, if power is interrupted, our LCD atomic clock includes a built-in CR2032 cell battery that stores your time and alarm settings, giving you peace of mind knowing that your settings will remain once the power resumes. Plus, a low battery sign will appear when it is time to replace the cell battery for your convenience..
EASILY ADJUSTABLE BACKLIGHT: Our backlit clocks allow you to adjust the brightness from 100%, 50%, 3%, or off so that our atomic clocks are always easy and comfortable on your eyes. If you're searching for the perfect alarm clocks with date and time, look no further - our premium quality atomic self setting clock is the no-brainer option..

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PHILIPS Alarm Clock Radio with USB Charging Port FM Radio Alarm Digital Clocks for Bedrooms with Battery Backup Clock Radios for Bedroom USB Port Dual Alarm Function Sleep Timer Mirror Finish

...nd you can adjust the brightness to suit your room. Simple controls take care of setting the alarm clock for bedroom, volume, and tuning..
USB port. alarm clock with usb charger. Charge your phone - A handy USB port lets you use the clock radio's power supply to charge your phone while you sleep. Alarm clocks backup battery. If there's a power failure, you won't have to reset the clock-and your alarm will go off on time..
Dual alarm function. Set two alarms - The dual alarm function lets you set two alarms, both of which can be set to use either an alarm tone or the radio. Perfect if you're likely to snooze through the first alarm. Or if your partner needs to wake before you. The perfect radio alarm clocks for bedrooms..
Gentle Wake. Alarm tone or radio volume rises gently - Ease into your day thanks to the Gentle Wake function. Whichever alarm style you have chosen-alarm tone or radio—the volume starts low and gradually increases. No more waking with a shock!.

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Projection Alarm Clock Digital Projection Clock with Weather Station Indoor/Outdoor Thermometer USB Charger Dual Alarm Clocks for Bedrooms LED Display with Dimmer 12/24 Hours

TIME & TEMPERATURE PROJECTION: Perfect alarm clocks for bedrooms. The projected temperature changes from indoor temperature to outdoor temperature....
DUAL ALARMS WITH SNOOZE FUNCTION: Set two separate alarms for different purposes on this projection clock. With snooze function, this alarm clock....
LARGE NUMBER DISPLAY WITH 8-COLOR CYCLE CHANGES: Large number display on LCD & the projected time and temperature on ceiling are easy to see....
BATTERY BACKUP & USB CHARGING: AC powered for permanent projection and time display, battery ensures the memory of all settings during a power outage.....
COMPACT DESIGN: The projection alarm clocks for bedrooms can predict the weather for the next 12 hours as well as the barometric pressure trend and....

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Handmade Authentic Clock Compass in Rose Wood Box, Vintage Gift…

...st to the blue digital of most clocks, our red LED number makes it clearer to see no matter day or night..
【DUAL CHARGING PORT】 This loud alarm clock for heavy sleepers equips with 2 USB ports for you to charge your cellphone or other devices, conveniently and organized at the bedside. No need to worry about low battery when you use your phone before sleep..
【MEMORY FUNCTION】 Plug it into the clock with the included DC adapter and 2* AAA batteries (not included) is needed for storing alarm settings in case of a power outage. Please note that the clock will not work when there is a backup battery power source only..

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iHome IBT22UXC Bluetooth Dual Alarm FM Clock Radio with USB Charging - Purple

This iHome radio alarm clock was designed with you in mind. Wake up how you like by setting alarms using music from your connected device, a preset FM station, 1 of the 4 built in alarm tones, or with the Wake to Light feature.
The built-in USB charging port makes this a perfect alarm clock with radio for bedrooms because you can use it as an alarm clock charging station for your phone, smart-watch, tablet, or any other USB rechargable device.
Having Bluetooth built-in to alarm clocks for bedrooms lets you play your favorite music at your bedside! iHome alarm clocks have a feature allowing you to set alarms to wake you up with the music from your connected device.
Choose between 6 different color modes: Slow Fade, Fast Change, Favorite Color, Pulse-To-Music, Sky Gradient, Nightlight, and a Wake to Light mode exclusive Dawn color mode. The colors make this clock radio a great nightlight.
Enjoy features like a crisp, dimmable clock display, 7-5-2 alarm settings (workdays, weekends or the entire week), effortless bluetooth connectivity, programmable snooze function, battery backup, and many more!.

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HOUSBAY Digital Alarm Clock for Bedrooms - Large Display Easy to Read Across The Room, 7 Larger Color Night Light, Dimmer, True Battery Backup, Adjustable Volume, Countdown Timer

【Larger Numbers & Night Light】- Notable features different to other alarm clocks - 1.5'' large numbers easy to see across the room, larger night light for more glowing..
【Colored & Dimmable Night Light 】- Cycle 7 color night light to add a vibrant ambiance to bedroom and give kids more fun, with 5 levels of brightness (even completely off)..
【Adjustable Display Brightness & Volume with Dial Control】- Simply slide the dials to adjust the display brightness from very bright to fully dark and alarm volume, rather than repeatedly pressing buttons. Super easy to set up even for kids or seniors..
【Customizable Countdown Timer】- 1, 2, 3... 5... 30... 60 minutes, customize countdown timer to help you stay focused or remind you of the pending tasks, fit for cooking, teaching, homework, laundry, gaming, exercise and more..
【Outlet Powered & True Battery Backup】- Outlet powered and can be backup with 3*AAA batteries (NOT INCLUDED). Not just saving settings, battery backup even allows the clock to run well when power is out - time will show, alarm and night light will still work..

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HOUSBAY Digital Alarm Clock for Bedrooms - Large Display Easy to Read Across The Room, 7 Larger Color Night Light, Dimmer, True Battery Backup, Adjustable Volume, Countdown Timer（Blue）

【Larger Numbers & Night Light】- Notable features different to other alarm clocks - 1.5'' large numbers easy to see across the room, larger night light for more glowing..
【Colored & Dimmable Night Light】- Cycle 7 color night light to add a vibrant ambiance to bedroom and give kids more fun, with 5 levels of brightness (even completely off)..
【Adjustable Display Brightness & Volume with Dial Control】- Simply slide the dials to adjust the display brightness from very bright to fully dark and alarm volume, rather than repeatedly pressing buttons. Super easy to set up even for kids or seniors..
【Customizable Countdown Timer】- 1, 2, 3... 5... 30... 60 minutes, customize countdown timer to help you stay focused or remind you of the pending tasks, fit for cooking, teaching, homework, laundry, gaming, exercise and more..
【Outlet Powered & True Battery Backup】- Outlet powered and can be backup with 3*AAA batteries (NOT INCLUDED). Not just saving settings, battery backup even allows the clock to run well when power is out - time will show, alarm and night light will still work..

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Projector Alarm Clocks with Projection on Ceiling for Bedroom Heavy Sleepers, Modern Digital Clock with Radio, USB Port, Battery Backup for Kids, Blue

...) being available on the digital screen allows you to know the weather before going out.
12/24hr Switch & Adjustable Brightness: the time display format can be switched between 12/14 hours. 4-Level dimmer for LED display, short press the SNOOZE button to adjust the brightness: high-middle-low-off.
USB Charging Port & Battery Backup Setting: a usb port allows you to charge your smartphone or other smart device. Equipped with backup battery, so you don't need to reset the time and alarm after power outage or temporary unplugging.

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[Updated Version] Plumeet LED Alarm Clock - Digital Clocks with Adjustable Brightness Dimmer and Alarm Volume - Red Digit Display 12-24 Hrs - Kids Clocks with Snooze USB Port Phone Charger (Red)

LARGE LED DIGITAL WITH DIMMER -- 5.5'' led clocks with 0-100 level adjustable LED brightness enables you to set the display as your like. To sleep well, you can adjust the screen to the dimmest(0).
and adjust the screen to the brightest(100) at daytime. 12-24 Hr display suitable for different people..
ADJUSTABLE VOLUME AND SNOOZE -- Comes with an alarm volume switch which can be adjusted to 30-90 DB. Touch-style snooze button easy to press even when half-sleeping, alarm will be last around 3 minutes until using snooze. (10 minutes interval).
EASY TO SETUP -- Simple alarm clock with 4 independent buttons and 2 adjustment knob on the back, clearly marked. You will hardly need instructions when setting the time or alarm..
OUTLET POWERED AND BATTERY BACKUP -- Power by DC adapter (Included). Insert 2* AAA batteries (Not Included) can be memorize time and alarm in case of power outages. During the backup battery, NO time display and NO alarm sound..
DUAL USB PORT -- One USB port connected with DC adapter power. Another one charging your cellphone, tablet, mp3 players or other smart device. Convenient and practical. Great Thanksgiving and Chirstmas gift.

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Amgico Digital Alarm Clock for Bedrooms,7\ Large Display Digital Clock with Dual USB Charger Port,,Snooze, 12/24H,Auto Dimmer Mode Modern LED Mirror Desk Wall Clock for Bedroom Home Living Room

... eyes at night and save energy. No blinding lights or any annoying sounds disturb your sleep,create an peaceful environment for sleep..
⏱️Alarm Clock With USB Port: Digital clocks has 2 USB ports, which can provide charging ports for mobile phones, tablets at the same time to solve your charging troubles. Backup battery (included) only stores time and alarms' settings..
⏱️LED Mirror Surface Clocks: electronic alarm clock is made of unique PMMA material,not easy to be broken,very light and slim. Best gifts for all people and perfect for home bedside office table decoration or daily use.100% Money Back Guarantee. If you are not completely satisfied with our product, simply return it with full refund. Buy absolutely no risk..

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DreamSky Auto Set Alarm Clock with Humidity, Indoor Temperature, Moon Phase, Bedroom Electric Clocks with Battery Backup, 5 Inch Large Display with Brightness Dimmer, Date/Weekday/Auto DST/USB Ports

...edside digital Alarm Clock with USB Charging Port: alarm goes off with ascending beeping frequency, which lasts for 2 minutes. No jarred awake nor blaring sounds. The snooze feature allows you to catch more sleep. An extra USB port serves as a charging station for your cellphone etc..
Outlet powered desk clocks with Battery Backup: clock is adapter powered and 3 *AAA backup batteries (not included) will keep the clock running and trigger the alarm in the case of power cut. No need to worry about oversleep..

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Projection Alarm Clock with FM Radio, 180° Projector Dual Alarms Clock with Snooze, USB Charger Ports, 0-100% Dimmer 5 Alarm Sounds with Sleep Timer 12/24H Setting Clock Radios for Bedroom

... the alarm clock with projection on ceiling allows you to adjust the full range brightness of the display to your preference - from exceedingly bright to exceedingly dim, not normal 3-level control. And there are 5 optional alarm sounds and 3 adjustable volume levels for you to choose from.
USB Power Supply & Memory Battery: Clock radios is powered by a USB power cord, you can choose a wall socket or mobile power supply to power the alarm clock.
an alarm clock with projection on ceiling also has a USB interface, alarm clock with USB charger can charge your phone, etc. smart devices in the office, bedroom or living room.

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Rocam Digital Alarm Clock for Bedrooms - Large 7\ LED Display with Dimmer, Snooze, 7 Night Light, Easy to Set, USB Chargers, Battery Backup, 12/24 Hour for Kids,Boys,Teens,Heavy Sleepers(Blue)

... are very obvious to see and extreme easy to set or cancel the alarm, even the kids, seniors and the elderly can operate it. The dual 5V 1A USB charging output at the back of this digital alarm clock allows you to charge your iPhone, Android smartphones or other smart devices..
LOUD ALARM CLOCK WITH VOLUME CONTROL & BATTERY BACKUP ALARM - The alarm buzzer volume for this beside clock could be adjusted from Low-Medium-High level which is perfect for heavy sleepers or hearing impaired. No worry battery backup lets you rest easily. The display will goes blank when the clock is not plug into a standard US 120V AC power outlet but alarm and time settings are maintained and the alarm will still takes effect and sound. Compact size alarm clock for bedroom, office and kitchen..
7 COLORED NIGHT LIGHT - There are 7 bigger than average colored night light that you can choose to light your room: Cobalt Blue, Sky Blue, Green, Oyster White, Beige, Shocking Pink and Violet. For changing the night light color just press and "LIGHT" button on the top and swtich to your favorite color choice. When you not need it just turn it OFF. A great add-on feature when your babies afriad of sleeping dark, when you need to do some reading it can works as a bedside reading lamp..

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