Solar Road Stud

Cell: single-crystalline silicon (3v,75mA) Light source: super luminosity LED; LED quantity: 4 or 6 pcs Luminous mode: varying type /Constant Type Material of light: Aluminum alloy and Polycarbonate Work time: 108 hours above for Varying Type; and more than 24 hours for constant type Storage battery: Ni-MH (1200mAH) Work temperature: -25 to +75 degree C. Resist compression: 30 tons Waterproof grade IP>67 View distance: over 800m 11 months warranty