This digital clock is a highly designed LED clock that you can attach to your wall or place on your desk. It wont take you a few more minutes to tell the time on these clocks, just look at the numbers and you can tell the time instantly. Features: Large LED digital display, easy to read from a long distance. Contemporary design, fits well in places like living room, kitchen and office. Desktop or wall mounting, convenient to use. With alarm and snooze function. Night mode setting (default 18: 00-06: 00), the LED automatically lowers the luminance during the night. Adjustment of three luminance levels: high, medium, low. 12H / 24H format for selection. Three function buttons (MODE, UP, DOWN), easy to use. Features: Shell color: white / black (optional) Light color: white / red / green / blue (optional) Material: ABS plastic Display: LED Time format: 12H / 24H Power supply: DC 5V, 1 * CR2032 button battery (not included) USB cable length: approx. 115 cm / 45.3 inch Product size: 212 * 83 * 35mm / 8.35 * 3.3 * 1.4inch Note: 1. The button cell battery is only used to save the adjustment time; the buttons would not react in this condition; 2. When you connect to DC adapter or USB cable, the clock will show time mode; 3. In case of alarm, it will stop the alarm if you unplug the DC adapter or USB cable. Package list: 1 * LED clock 1 * USB cable 1 * User Manual (English)