solar light 1)LED lamp,energy saving 2)Power:solar energy from solar panel 3)CE&ROHS 4)Easy installation,Less maintenanc solar light Feature:No trenching, no wiring, no metering, no electric bills, solar LED street light converts the solar energy into electricity and stores it to provide 8-12 hours of light each day, and 3-7 days as backup in case of rainy or cloudy days.