Product Size:18*11*3cm 1) Solar Panel:6V 2.5W 2) Li-ion battery:3.7V 2000mA 3) Working Voltage: 3.7V 4) Working Current: 1.2A 5) Output Power: 3.8W 6) LED:SMD2835,60MA, 28Lum*36pcs, total 500Lum 7) Constant Voltage/Current 8) Human body induction 9) IP65 level waterproof 10) Charging time:6 hrs 11) Light up:6~9 hrs after charging 12) Color option: white, black