Specification:90*90*22.8mm Material:ABS/PC Weight:75g Power:0.2-1.2W Color temperature:1800K-6500K Battery capacity:1200mah/3.7V Power input:DC5V=1.0 Chargeing time:about 1.5 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)