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Black rectangular digital alarm clock with a 5.5 inch LED display showing time and temperature

JALL V1021 Digital Alarm Clock 5.5" LED Black

SKU CH-51VH-BHTYE MPN V1021

A 5.5" LED display shows time, date and temperature with six brightness levels and adjustable alarm volume up to 85 DP

  • Color familyBlack
  • Product typeDigital
  • Size or dimensions13.21 in × 0.03 in × 8.13 in
  • Color and finishBlack
  • Large 5.5" LED display shows time, date and temperature clearly
  • Six brightness levels from 5% to 100% adapt to any lighting
  • Eight alarm sounds adjustable from 30 to 85 dB for gentle or loud wake-ups
  • USB charging port powers devices while you sleep
  • Indoor temperature reading adds extra convenience at a glance

5.5" LED Display for Bedside Use

The JALL V1021 digital alarm clock presents time, date and indoor temperature on a 5.5-inch high-resolution LED screen. Large digits remain readable from across the room, making it suitable for bedrooms, desks or bedside tables. A choice of 12-hour or 24-hour format covers personal preference. The compact black housing measures 13.21 in x .03 in x 8.13 in.

Six Brightness Levels and Adjustable Volume

Brightness adjusts across six steps from 5 percent to 100 percent so the display can be dimmed for sleep or brightened for daytime. Alarm volume is selectable between 30 and 85 decibels using eight built-in tones. A top-mounted snooze button adds nine extra minutes of rest when pressed.

Replaces Basic Clocks Lacking USB Charging

The unit includes a USB charging port so a phone or small device can recharge overnight without a separate adapter. Buyers who need multiple alarm profiles, wireless connectivity or battery backup will not find those features here. The step up is worthwhile when a single clear display, variable brightness and bedside charging are the priority.

How it compares

Measured against everything we stock in Wall & Alarm Clocks, at today’s prices. Recalculated every night.

Price $25.99
Cheaper than about 63% of the 764 comparable items (median $30.99).

Specifications

Product
Brand nameJALL
Model nameV1021
Product typeDigital
Color and finishBlack
Color familyBlack
Size & build
Size or dimensions13.21 in × 0.03 in × 8.13 in

Questions about this item

Will the 5.5" LED display and 6 brightness levels work well on a bedside table next to an older analogue clock?

The 5.5" LED screen shows time, date and indoor temperature with six brightness steps from 5% to 100%, so you can dim it low enough not to clash with a traditional clock face while keeping the digits readable from across the room.

How can I confirm the clock is keeping accurate time and the alarm will sound at the set volume after I plug it in?

Set the 12-hour or 24-hour format, choose one of the eight alarm tones and adjust the volume between 30 and 85 dB; when the alarm triggers, press the top snooze button for a 9-minute delay — hearing the tone at your chosen level confirms correct operation.

Does the box include a power adapter for the USB charging port or do I need to supply my own?

The clock is powered through its USB connection; a USB cable is included, but a mains USB power adapter is not supplied, so you will need a standard 5 V USB charger or an available USB port to run the clock and charge a device.

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