solar road stud 1) Solar panel: 0.4W 2) Battery: Battery: 1pc 1200mA Ni-Mh, ... ) super high-brightness LED4) Colour: yellow, red, blue,green,white Aluminum-alloy shell, transparent plastic shell 5) Temperature rang: -40 centigrade ... to +70 centigrade6) Material: Aluminum-alloy shell, transparent plastic shell7) Resist compression: 35 tons8) Waterproof ...