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Since this LED flashlight is self-powered, it''s always ready to go and you never need any batteries! Simply shake it to produce power. As you can see through the transparent Polycarbonate housing, there''s a magnet in there that generates power when it passes through a copper coil. The capacitor can be charged over 100,000 times and it can operate in extremely hot or cold conditions, as well.Always ready, self-poweredPower generated by magnet passing through copper coilJust shake to generate powerNo matter how long it sits, just a few shakes will generate lightSuper bright LED lightOperates in extreme hot or cold conditionsCapacitor can be charged over 100,000 timesWaterproof and it floatsIdeal for home, auto, boat, outdoor & emergency useShock resistantVirtually indestructible Polycarbonate housingNo batteries required
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