The Ozone I LED torch is soft on the environment and soft on your wallet - it never needs batteries. One minute of cranking gives you 10 minutes of light. The 0.5 watt LED gives a powerful light, in dimmed mode its still bright enough for most tasks. The rubberized finish gives it a smooth feel. The perfect product for all situations, where you don't want to rely on batteries. One of the smallest & most powerful wind up LED torches on the market!