·Crank dynamo powered·Emergency charger for cellphone·Scan FM radio·Blink and siren·3pcs Ultra-bright LED·DC dynamo

·Built-in battery: Ni-Cd  300mAh   3.6V·Charge time: 36M (Cranking)·Fully charged, it supports: Lighting(10H), Radio(4H), Siren(1.5H)·Frequency:FM76-108MHz or 88-108MHz·Output voltage:DC5.1V·Output current:250mA·LED brightness:12000mcd·Raw Material: ABS+PS·Patent protection