Product Name: USB LED Light Lamp Package Contains: 1 Item Light Lamp Material: Plastic Color: Color as per availability Dimension:16.7 x 1 x 2 Cm Weight: 19gm Additional Information: USB Flexible Neck White Light Lamp for PC, Notebook, Laptop, TabletPC and Macbook Small enough to take anywhere, it fits into your case as easily as it fits your lifestyle USB bus powered, no external adapter or batteries needed For use with any USB compatible computer ( any version ) . Flexible stainless steel neck lets you position it any way you like Just plug it in USB port and it will light up immediately. Very good for using in dark without disturbing your roommates