1.solar road stud
2.Solar cell: poly-crystalline silicon / single-crystalline silicon (3v,75mA)
3.Storage battery: Ni-MH (1200mAH) / Super Capacitor (50F)
4.Light source: super luminosity LED;
5.LED quantity: 4 or 6 pcs   
6. Luminosity colors: red, green, blue, white, yellow (for any choice)
7.Luminous mode: varying type /Constant Type
8.Work time: 108 hours above for Varying Type; and more than 24 hours for constant type(standard    luminosity intensity)
9.Work temperature: -25 to +75 degree C.
10.Material of light:  Aluminum alloy and Polycarbonate
11.Resist compression: 30 tons   
12. Waterproof grade IP>67  
13.  Life: >5 years (Ni-MH)  or >15 year ( Super Capacitor
14.  View distance: over 800m    
15.   Guarantee period:14 months