Specification:<br />Product name: 3 LED USB Lamp<br />Power consumption: 40mA<br />Size: 40cm(length)<br /><br />Features:<br />Three LED lamp, bright white light<br />Draws power from USB port<br />On\/Off button allows you to conserve energy without unplugging the light;<br />Small size, light weight, easy to carry and very easy to put into a briefcase or folder<br />Flexible metal hose, free bending, without fixation clamps, glue, etc., flexible and convenient;<br />Suitable for notebook computers, desktop computers, etc;<br />Can illuminate the keyboard without affecting other people around;<br /><br />Package included:<br />1 x 3 LED USB Lamp (not included the power)