Never worry about power outages again! This 4-in-1 Dynamo Radio-Flashlight-Siren-charger offers a hand-crank for charging. One minute of cranking will power the AM/FM radio for 8 minutes or 3-LED flashlight for 30 minutes. The flashlight offers 2 brightness settings for battery saving and the high-visibility yellow and black outer case is always easy to find even in low lighting. An extendable antennae ensures a stronger radio signal. It also offers an emergency shrill siren that is extremely loud and a cell phone charging port that uses an included USB cable. It's great for camping, ball games and power outages.