... ,CE,ROHS certificate 2,High efficiency LED street light. 3,professional experience. 1.High-efficient monicrystalline silicon or polycrystalline ... silicon panels2.Extra-brig ht LED,energy saving light or sodium lamp3.Maintenance free rechargeable batteries,8-12 ... hours each day(can last 3-5 rainy days)4.Automatic controlled by microcomputerDue to ...