1 in 7 people do not have access to electricity. GravityLight doesn’t need batteries or sunlight and costs nothing to run. It takes seconds to lift the weight that lights up GravityLight for 20 minutes on its descent. With many families living on just a few dollars a day as kerosene lamps can consume up to 30% of their income, resulting in the ongoing poverty trap not to mention the massive impact to health. With GravityLight, all you need is a weight.