Material: ABS

Power Supply: Solar or UsB 5V

Solar Panel:5V 60mA/Monocrystal silicon 133.5*38mm

Working Voltage/Current: 3.7V/120mA 0.44w

Standby Current: 3.5mA  0.013w

Battery: 3.7V, 2000mAh, 18650 Lithium Battery

Waterproof Grade:IP44

Charging Indicator: Charging (Red light) / /Fully charged (Blue light)

Charge Time:6.5 hours