4-in-1 Dynamo Emergency AM/FM Radio LED Flashlight Cell w/ Phone Charger Port. This 4-in-1 Dynamo Emergency Radio is the perfect device for time of need. It features 3 super bright LED lights, dc output for cell phone charging, an emergency siren to help signal and locate the user, as well as an AM/FM Radio with retractable antenna. Great to have in case of natural disasters, blackouts, and other Emergencies. Convenient for Cars, Boats, and other Vehicles. PrimeTrendz TM Products.