SleekLighting Solar Hand Crank Ultra Bright 3 LED Flashlight Charges Manually or by Light Energy Provides 2 Hours of Continuous Illumination with Range of 10 Meters per Full Charge Long 100,000 Hour Bulb Life 2 Pack Blue and Yellow NEVER needs batteries. Charges by hand-crank or solar cell. 2 hours of light from full charge ULTRA-BRIGHT flashlight with 3 powerful LED bulbs. Illuminates surroundings to 32 feet DURABLE LED bulbs provide 100,000 hours of operation COMPACT and lightweight unit fits in a pocket, purse, glove box, nightstand or desk lap drawer LANYARD lets you hang a light next to a door or by electrical panels for unexpected power outages