Solar road stud

Solar cell: poly-crystalline silicon or single-crystalline silicon (3v, 120mA)

Storage battery: Ni-MH (1000mAH) or Super Capacitor (50F)

 Light source: super luminosity LED

LED quantity:  2pcs

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(150times/minute); and more than 24 hours for constant type(standard    luminosity intensity)

Work temperature: -25 to +75 degree C.

Material of light:  Aluminum alloy and Polycarbonate

Resist compression: 30 tons

Waterproof grade IP>67

Life: >5 years (Ni-MH)   or   >15 year ( Super  Capacitor)

View distance: over 800m

Guarantee period: 14 months

solar guard rail