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SOLAR ROAD STUD  2007-11-27 [China]  >> Expired
1.Solar panel: poly-crystalline silicon or mono-crystalline silicon 2.Power storage solution: Ni-MH battery or super capacitor 3.Light source: super bright LED 4.Led quantity:4PCS 5.Led color: red, green, blue, white or yellow 6.Luminous mode: flashing type or constant type 7.Working time: 108 hours above for flashing type; more than 24 hours for constant type after the battery is charged fully. 8.Working temperature: -25℃ to +75℃ 9. IP≥67 10. Resist pressure: 30tons 11.Mate...     >>
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