Crank-powered LED Flashlight Crank-powered LED Flashlight with Bright LED Bulb Key Specifications/Special Features: LED flashlight for camping, electronic, business, unique and holiday gift Product functions: Cranking for power generation Ultra bright LED Switch model: one, three LEDs on and then three LEDs flash Off Product features: Cranking for power generation Control by electronic switch and long life span Unique design, energy saving and no pollution Lightweight size and convenient to carry Use: Hold the unit and crank the handle by another hand at the speed of 2.5 to three circles per second for about one minute Push the switch forward to turn on the light Size: 70 x 41.5 x 41.5mm Weight: 73.5g