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太阳能道钉采用高亮度LED作为发光源，安全规范、节能、可视性强、安装简便、使用寿命长、工作稳定可靠、不腐蚀电缆、不消耗常规能源、广泛应用于公路安全交通警示。可有效地预防交通事故的发生。

Solar cell: poly-crystalline silicon / single-crystalline silicon (4v,200mA)
Storage BATtery: Ni-MH (2*1200mAH) / Super Capacitor (2*120F)
Light source: super luminosity LED;
LED quantity: 5-6 pcs                                                   

Luminosity colors: red, green, blue, white, yellow (for any choice)
Luminous mode: Constant Type (standard    luminosity intensity)         

Work time: more than 30 hours
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