Street light outdoor use polycrystalline silicon photovoltaic panels with the high photoelectric conversion efficiency. Solar light outdoor built-in 20000mAh 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. solar gutter lights cover a180°angle, 1610sq.ft area. Solar motion sensor light outdoor turn 100% brightness mode in 2 seconds when motion is detected. It reverts back to 30% energy saving mode again if people out of the detected area.【IP65 WATERPROOF】Solar gutter lights IP65 waterproof grade, rainproof, lightning protection and dustproof, ABS plastic anti-UV lamp body and new inner design housing with individual.【NOTE】Before the first use, please turn on the street lamp switch and charge it for 6-8 hours under direct sunlight.