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Rectangular green LED desk clock, 6.7 inch display showing white and green digits

KOSUMOSU 6.7in Green LED Digital Clock

SKU CH-5B5N-NR4T0

A 6.7in LED desk clock showing time, date, day, seconds and temperature with dual alarms and auto dimming

  • Color familyGreen (White + Green Digits)
  • Product typeLED
  • Size or dimensions6.4 in × 1.5 in × 3.3 in
  • Color and finishGreen (White + Green Digits)
  • Large 6.7in LED display shows time, date, day, seconds and temperature at a glance
  • Auto and manual dimming with four brightness levels plus display-off option for comfortable night viewing
  • Dual alarms with three cycle choices and snooze suit weekday and weekend schedules
  • USB-A powered with button-cell backup keeps time during power cuts
  • Compact 6.4 x 1.5 x 3.3in footprint fits bedside, desk or kitchen counter

6.7in Green LED Desk Clock

This KOSUMOSU digital clock displays time, date, day of the week, seconds and room temperature on a 6.7-inch LED panel. Green digits on a white background provide clear visibility for bedroom, living room, kitchen or office use. It supports both 12-hour and 24-hour formats and includes dual alarms with selectable weekday, weekend or daily cycles. A snooze function adds extra convenience for morning routines.

Auto and Manual Dimming Control

The clock offers automatic dimming that adjusts brightness to ambient light plus four manual levels: low, medium, high and display off. This flexibility keeps the green LED readable by day and unobtrusive at night without disturbing sleep. Operation is silent with no moving parts, making it suitable for quiet environments such as bedrooms or study areas. Power consumption is minimal for a 5 V USB-powered device.

USB Power and Backup Battery

A 5 V / 1 A USB-A power adapter is required for continuous operation and is not supplied with the clock. The unit includes a button cell that maintains time and alarm settings during a power outage but cannot run the display on its own. No software, app or wireless connectivity is bundled; all configuration is handled via the physical buttons on the device. Buyers who want a battery-operated or wireless clock should consider other models.

How it compares

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

Price $26.99
Cheaper than about 60% of the 764 comparable items (median $30.99).

Specifications

Product
Brand nameKOSUMOSU
Model nameDigital clock
Product typeLED
Color and finishGreen (White + Green Digits)
Color familyGreen (White + Green Digits)
Size & build
Size or dimensions6.4 in × 1.5 in × 3.3 in

Questions about this item

How do I install the clock and what step is often missed?

Connect the 5V/1A USB-A adapter (not included) to power the clock; the included button cell only maintains time during outages and does not run the display.

What maintenance or replacement will this clock need later?

Replace the button cell when the backup no longer holds the time after a power cut; the LED display itself has no user-serviceable parts.

What limit appears first during sustained use?

The clock requires continuous USB power, so a power outage longer than the button-cell backup is the first hard limit.

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