This 4-in-1 dynamo light and emergency radio these functions: 3 LED flashlight with 2 functions: push switch forward for 3 LEDs, push switch back for 1 LED; cell phone charger with USB cable, AM/FM radio with antenna, and emergency siren. It features 3 super bright white LED bulbs and has an overall length 7-1/2in. It has a balck and yellow plastic body and a built-in hand crank dynamo for recharging. Cell phone USB cable included.