solar road stud

119*115*22mm
0.265KGS
Solar cell: poly-crystalline silicon / single-crystalline silicon (3v,75mA)
Storage battery: Ni-MH (900mAH) / Super Capacitor (120F)
Light source: super luminosity LED;
LED quantity: 4 pcs                          
Luminosity colors: red, green, blue, white, yellow (for any choice)
Luminous mode: varying type /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