Solar road stud

Solar cell:poly-crystalline silicon or single-crystalline silicon (3v,75mA)
Storage battery:Ni-MH (900mAH) or Super Capacitor (50F)
Light source: super luminosity LED
LED quantity:4pcs                                                                                                      Luminosity colors:red, green, blue, white, yellow (for any choice)
Luminous mode:varying type or Constant Type
Work time:108 hours above for Varying Type; and more than 24 hours for constant type(standard luminosity intensity)
Work temperature: -25 to +75 degree C.
Material of light:Polycarbonate
Resist compression:20 tons                                                                                      Waterproof grade IP>67                                                                                                 Life:>5 years (Ni-MH) or >15 year ( Super capacitor)                                                                                                                            View distance:over 800m                                                                                               Guarantee period:14 months 

Solar road stud is a green safety product, charge under the Sun through solar panel, light during the night time automatically.