Loud Volume USB Charging LED Fashion Smart Digital Clock for Office Specifications: With 65-100dB large buzzer alarm, this digital alarm clock is suitable for sleepers and hearing-impaired people.Digital alarm clock has 6-level brightness adjustment to an optimal brightness in different use environments because it uses 42 high-quality LED lamp beads.It is constructed of plastic material.The length of the product is 12.8cm, the width is 6.6cm and the height is 3.5cm.It is suitable for bedroom, dining room, study room, outdoor, etc. It support 12 hours and 24 hours one-key switching. With snooze function( long press the alarm button to turn off the alarm clock, you need to turn it on again, long press the alarm button). And it also supports fast charging with two USB charging ports, which can quickly charge two devices at the same time.Item Name: Alarm ClockScreen Size: 5 Inch Lamp Beads: 42 LED Lamp Beads Power Input Voltage: 5V/2A USB Output: 5V/2A Alarm Duration: 5 Minutes Snooze Time: 5 Minutes Dual Power Supply Working Mode: 4 X AAA Batteries Or External 5V Power Supply (Not Included) Features: Touch Control, Brightness Dimmer, Adjustable Loud VolumeSize Details: 12.8cm x 6.6cm x 3.5cm/5.04" x 2.6" x 1.38" (Approx.)Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.Package Includes: 1 x Alarm Clock 1 x English User Manual 1 x USB Charging Cable