1) Solar Panel:6V 4W 2) Li-ion battery:3.7V 2000mA*2pcs 3) Working Voltage:3.7V 4) Working Current:1.2A 5) Output Power:3.8W 6) LED:SMD2835,60MA, 28Lum*38pcs, total 400Lum 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