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GravityLight at werd.com
GravityLight

Cleaner and greener than solar powered lighting, the GravityLight employs the power of gravity in a simple system using a weight. Lift the weight & the light will glow for 30 minutes. Designed to replace harmful, expensive kerosene lamps in developing countries, it can also be used to power-up mobile devices, a radio, batteries, etc. via

BUY IT   $50 Categories: Gear