This lightweight eco friendly portable lamp is ideal for reading craft as well as your general hobby and office use specification voltagescurrentdcv 05a 18w lamp size 78x78x248m light specification led 18 piece colour temp 50005500 kelvin switch touch switch with a 3 step dimmer charging time3 4 hours usage time up to 6 hours usb cable 15m for use with computerslaptops and other usb portal weight175 grams