... , alarm, desk lamp , radio, charger 2.Solar charging , DC charging , crank dynamo Solar lamp radioProduct Specifications 1.Solar panel : 5V 90Ma ... the item before using . 1.Charging method1)By solar(18 hours full charged with strong sunlight)Put ... down radio. 5.Reading lampOpen the reading lamp , turn on switch5 and adjust the lightness of ... avoid any damage of built-in battery. Solar desk lamp radio