Description: Style: flat style;  Size: 16*6*2.5CM;  Material: ABS plastic;  Power cord: USB about 95CM;  Power supply: USB plug-in, 3 AAA batteries (not included);  Colors: White, Black;  Style: curved surface;  Size: 17*7.2*3CM;  Material: ABS plastic;  Power cord: USB about 90CM;  Power supply: USB plug-in, 3 AAA batteries (not included);  Color: white light, red light, green light;     LED CLOCK FUNCTION: 1. 4-digit LED display：Time,Date and Temperature,can be in turn;  2. Alarm function：Daily alarm clock and snooze;  3. Snooze function：Default in 5mins,1-60mins can be set up;  4. Power supply mode：DC power and battery mode;  5. DC power：LED still in display;  6. Battery mode：Power saving mode,turn off screen need to be woken up;  7. 2-level brightness adjustment;  8. Night mode:It’s dark during 18:00-6:00(in default),time can be set up by yourself;  9. 12/24 hour switch;  10. Time memory function:Battery driver(not included);     Package included: 1 x Clock;  1 x USB power cord;  1 x manual