TEKTRUM 30 LED SOLAR POWERED WALL GROUND MOUNT SUPER BRIGHT FLOOD LIGHT FOR SIGN/BILLBOARD/WALKWAY/BACKYARDS/SHED Lighting system powered by solar panel and built-in rechargeable battery Dimension of large solar panel with earth spike 7.5" L x 6" W x 10" H - able to collect a lot of electricity from sunlight during daytime 30 super bright white LED lights of 30-40W; Lamp size: 5.25" L x 3.5" W x 3" H; Lamp cover color finish: black One 17 ft wire with a waterproof DC plug is included - allows to place solar panel far away from lamp; Waterproof; No need of electricity Automatically turns on the light at night for up to 10 hours