solar road stud 1) Solar panel: 0.4W 2) Battery: Battery: 1pc 1200mA Ni-Mh, ... ) 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 grade IP>689) Life ...