LED SOLAR MARKET LIGHTING FOR YOUR EXTERIOR SPACE; CLIP OR STAKE PANEL INSTALL: These LED deck string lights use solar power so you don't need an outdoor outlet and you save money on electricity! Install by attaching with a clip (e.g. to pergola roof) or a stake in the ground. They put out 3,000K warm white light and the life is up to 20,000 hours. A full charges takes 6 hours of sunlight, and suffices for 5-6 hours; bulbs stay cool, always.