... alarm, desk lamp , radio, charger 2.Solar charging , DC charging , crank dynamo Solar lamp radioProduct Specifications 1.Solar panel : 5V 90Ma ... 128*31mm(Irradiance:100mw/cm2) 2.Inner battery :3.7V 1500mAh Polymer-Li 3.Radio ... "Radio9" will be lighting . The original frequency of radio is 108MHz. Press button(" "up, " "down)to ... any damage of built-in battery. Solar desk lamp radio