IP65 CE RoHS solar street lighting system LED Outdoor Street Lights 15-60W Features solar street light system Features: 1. LED Chip Epistar led chip , which is very good brand in white LED ,high brightness , stable performance 2. Solar Panel High-efficient single-crystal solar cell from American Sunpower , top conversion efficiency of gradient-doped ,well ensure the abundant power . 3. Battery Lithium-ion ferrous phosphate battery , 5 years life time ,good high temperature