Item as described, thanks to Prime NBD delivered, packaging properly. Product has lowered my laptop in operation by 10 degrees, unfortunately I'm still at 60 degrees and will have these well-supplied with new thermal grease. Unit can be supplied via USB cable enclosed with the laptop output power and Replace these "lost" USB port through a port on the back of the fan. Unit operates quietly and can be switched on or off via a switch. The lighting is minimal to bear and is therefore not disturbing but thus shows the status whether on or off. My 17 inch laptop fits perfectly on any vibrations ect .. At the price gladly again.