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