Dynamo Self-Charging Flashlight - 3 LED Waterproof

Crank the handle to illuminate the 3 LED’s. Switch on once, 1 LED illuminates; Switch on again, 3?LEDs illuminate; Switch on for the third time & all 3 LEDs flash. Waterproof up to 25 feet. Never use batteries again. LED lighting is safe, environment. 5.75″ L