Use solar power,no need outer electric power,Energy-saving,Environmrntal protection ... ,no dizzy light4.Sealed with silicone rubber gasket5.Mono-crystal solar panel,3.84V/100mAh6.2*600mAh AA Ni-MH 1 ... .2V batteries7.LED:1pcs SMD7.Light on 12-15hs after full recharge around 6hs8.Protection class:IP449. CE ROHS LED Solar lighting