cell: single-crystalline silicon (3v,100mA) Storage battery: Ni-MH (1200mAH) / Super Capacitor (1*120F) Light source: super luminosity LED; LED quantity:4 pcs Luminous mode: Constant Type (standard luminosity intensity) Work time: more than 15 hours Work temperature: -25 to +75 degree C. Material of light: Stainless steel Resist compression: 20tons Waterproof grade IP>67 Life: >5 years (Ni-MH) or >15 year ( Super Capacitor) View distance: over 800m
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