... )crystalline solar panel 3). battery: rechargeable,1.2V600mAH4). light source: 1pcs change color LED5). working time: up ... transforms to the electricity: Being accepting the sun light by the solar panel, the electricity is stored ... If used indoor, after recharged by the sun light, turn on the switch, it works. 4. ... life: can work for about 100000 hours, led light. 4). Low voltage, safe and convenient 5). ...