The solar street lamp is easy to install, and it does not require additional hard-wire links, and can be mounted on a wall or pole. please turn on the solar outdoor light before installation.【high efficiency & long lifetime polysilicon solar panels】street light outdoor use polycrystalline silicon photovoltaic panels with the high photoelectric conversion efficiency. solar light outdoor built-in 30000mah large capacity lithium battery, to be fully charged in only 6-8 hours, providing a long working time about 18-20 hours in bright mode.【built-in motion sensor for large angle and area】led solar gutter lights cover a180°angle, 1610sq.ft area. solar motion sensor light outdoor turn 100% brightness mode in 2 second.【note】before the first use, please turn on the street lamp switch and charge it for 6-8 hours under direct sunlight.