dynamo camping light 1.Bulb:24led 2.Generate electricity by hand or by solar 3.Long life 4.customized logo dynamo camping light1. ... solar 3.Long life 4.customized logo Solor Emergency Camping LightFunction:For camping, hiking, power outages, earthquakes, hurricanes, boating, ... 3.Three ways to light the lamp.one:Using the crank handle to generate electricity by handtwo:Using 2 batteriesthree:recharge