solar road stud,Wholesale solar road stud China, Custom printed solar road stud

solar road stud Description

cell: poly-crystalline silicon / single-crystalline silicon (3v,75mA) Storage battery: Ni-MH (1200mAH) / 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: 30 tons Waterproof grade IP>67 Life: >5 years (Ni-MH) or >15 year ( Super Capacitor) View distance: over 800m Guarantee period:14 months

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