Product Solar light is by solar cells above it during the day when the absorption of sunlight into electrical energy stored in rechargeable battery inside the lamp, wait until the evening when it gets dark, the top solar panels will photosensitive sensor. Use a power efficient solar panel and sensor to store energy during day time. Light sensor: Automatic sensor activates at dusk. Working Time: Light on to 10 hours after 8 hours charge. Waterproof: IP65,for outdoor or indoor use. Energy saving ,No UV rays, environment friendly. Resist due to weather exposure and function all year. Ideal for home Garden, Wedding, Christmas decorating us. Item specifics: Body Material: ABS. Diameter (Bulb):18mm. Wire Length: 9m. LED Space: 37cm. Light Source:20LED. Solar Panel: 2V 80mA and rechargeable. Ni-MHbattery: 1.2V,600mAh. Solar panel: 7.7 cm * 5 cm * 2 cm. Voltage:1.2V. Rated power:1W. Luminous Mold: Constant Type. How to use the Solar light: There is an on-off switch underneath the battery case.Push the switch to the on position and position the light in a sunny location. If the light does not turn on automatically after a 6 hours charge,please check the follow: 1.Check the battery to ensure it is making correct contact with the terminals. 2.Check that the light is placed in a sunny location and that the solar panel faces to the sun. Package included: 20X LED Bulbs With Wire. 1X Solar Panel. 1X Stake