... Christmas lawn light, stainless steel, with dragonfly,round ball, butterfly, moon,star, sunflower, decorative lightNI-MH battery: 1.2V , 600MA solar pannel ... automatically; if it is used indoor, after recharged by the sun light, turn on the switch, it works(3)Work ... principlesolar energy transforms to the electricity: Being accepting the sun light by the solar panel, the electricity is stored in ...