Function & Feature FM/AM radio Cranking for power generation Speaker or earphone output Radio tuning display Low power consumption, long working time Charging mobilephones or other digital things in emergency use LED Lighting Main Technical Parameter:ItemParameterUnitRadio Sensitive degree of the FM> 15uVSensitive degree of the AM >3mV/mReceive scope of the FM 88-108MHzReceive scope of the FM 530-1650KHzThe audio frequency output power Max. 100mWRadio work time after 1 minute cranking About 10MinuteRadio work time after being charged fully About 2.5HourCharge for external things Voltage Output 5.6VMax.output power 2.5WMobilephone’s talking time after 3 minutes cranking 2-8MinuteLightingMax.Luminous flux 2LmMax. Brightness 20000McdLighting time after 1 minute cranking 30MinuteMain parts life-spanSwitch 5000TimeThe whole unit 5YearThe plastic part 5YearOthers1. Specification of built-in battery 80mAh, 3.6v