Specification:90*90*22.8mm Material:ABS/PC Weight:63 Power:0.3W Color temperature:3000K-6500K Battery capacity:600mah/3.7V Power input:DC5V=1.0 Chargeing time:about 2 hours Charging methods:USB charging cable Function:Infrared body sensing, with three levels of functions. A gear off the lights, a gear usually on, a gear to turn on the lights when people walk out of the light. (Bright 30 seconds, not light day, light night)