No batteries needed – ever! Crank arm charges flashlight for up to 30-minutes and recesses into the flashlight for compact storage. Compact flashlight fits anywhere, making it ideal for when you need a light quickly. Three bright LED lights with a built-in rechargeable battery. Crank handle in either direction to charge flashlight – just one minute gives you approximately 10-minutes of lighting time. Crank longer for longer lighting times. Rubberized texture allows you to identify flashlight in a bag or purse if it is dark.