Hatori Hand Crank Flashlight 3 LED Wind-Up Dynamo Powered Outdoor Emergency Light for Camping No Batteries Needed 3 LED flashlight, super bright for outdoor activities 2 types of LED use(two modes), three-led bright and one led bright Dynamo powered emergency flashlight with Built-In rechargeable battery, no external battery needed High conversion efficiency, 60 seconds of winding for 1 hour of light Perfect companions in emergency situations, and in in house, vehicle, camping, hiking, etc