Solar Road Studs 1:Solar panel: 0.4w 2.5v . 2:1*Ni-MH rechargeable ... : 1.2v, 1800Ma . 3:6*super bright LED(two sides) Solar Road Studs: (red,white ,yellow,white,green color for choose)1 ... ) Material: ferrosilicon aluminium2) Unit includes:a) Solar panel: 0.4w, 2.5vb) 1*Ni-MH rechargeable batter ... YOUR ENQUIRIES ANY TIME ! THANK YOU Rgs, coco ( Cell : 13714741923) Solar Road Stud