ANLENG Smart Solar Powered LED Light Energy Saving Waterproof Permanent Portable Lamp Metal body The Light is a revolutionary multi-use solar product with an attachment system that attaches to Gutters, Signs, Fences, and to any flat surface. It will auto turn on dim light when in darkness or at night, and auto turn off when in daytime or bright area. Function:Solar panels charge 4.5 hours under standard sunlight, can lights 6-9h. Waterproof IP44, heatproof and durable. Metal body,never headptoof.