multi-function, can be used as lamp ,working light and radio A multi-function lamp, which is no more than a working and caution light when you are in the wild, but a lamp and radio in your daily life. SPC: Battery: 3.7V rechargeable Li-polymer batteryRadio: oneRecharge cycle: more than 1000 timesWeight: 600gSpecification(height*width) 244*114cm multi-function lamp