The Dock Edge Panoramic LED Solar Light only requires energy from the sun to operate. With no wires needed it's easy to install. The panoramic light can be used on docks, pontoons, and decks to enjoy the end of the evening. It turns on automatically and is weather-resistant.• Perfect for docks and decks• Automatic on at dusk• Weather-resistant and durable• Works 8 hours on a full charge• Replaceable, rechargeable battery• Four LEDs• 4-5 lumens (emitted light)• IP65 water-resistant rating• Measures 5" dia. x 1"H Turns on automatically at dusk Replaceable, rechargeable battery IP65 water-resistant rating | Dock Edge Panoramic Solar Dock Light