Solar cell: Poly-crystalline silicon or single-crystalline silicon(3V, 75mA). Storage battery: Ni-MH(1200mAh) or super capacitor(120F). Light source: Super luminosity LED. LED quantity: 4 PCS. Luminosity color: Red, green, blue, white, yellow(for any choice). Luminous mode: Varying type or constant type. Work time: 108 hrs above for varying type (150 times/minute) and more than 24 hrs for constant type(standard luminosity intensity). Work temperature: -25 to +75 degree C. Material of light: Aluminum alloy and plcarbonate. Resist compression: 30tons. Waterproof grade>67. Life>5 years(Ni-MH) or>15 (super capacitor). View distance: Over 800m. Guarantee period: 14 months.

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