Features 1Big Screen: The alarm clock has a big screen display, the numbers are bright, and it is very easy to read even from a distance and from all angles 23 Gear Brightness: The alarm clock has 3 gear brightness, brightness is adjustable, it can automatically convert brightness in different time periods, intelligent and convenient 3Memory Function: With built in memory function, even if the power failure, the time data will not be lost, no need to reset the time 4Energy Saving Mode: The alarm clock has a voice activated energy saving mode. If it is not plugged in, it will enter the energy saving mode. The screen will automatically turn off after 10 seconds in a silent environment 513 Pieces of Music: Tap the top touch button when the alarm goes off. The alarm will pause and go off after five minutes. Thirteen pieces of music can be selected as the alarm, and the music can be selected to play continuously for 5 minutes Specification Item Type: Digital Alarm Clock Material: ABS Weight: Approx. 213g / 7.5oz Product Size: Approx. 14.5x6.5x3cm / 5.7x2.6x1.2in Temperature Switch: Degrees Celsius, Degrees Fahrenheit Time System Conversion: 24 Hours, 12 Hours Conversion Battery: 18650 Lithium Battery 1200mah (Inclusive) Package List 1 x Digital Alarm Clock 1 x USB Cable 1 x Specification