Wikipedia
Lightglove
Lightglove is a brand of human interface device that uses light to create a virtual glove, detecting finger and wrist motion. Worn on the underside of the wrist, a Lightglove can be used as a computer mouse, gaming controller or remote control.
The product was shown at the 2009 World Technology Summit and the 2008 Consumer Electronics Show. At the 2008 Consumer Electronics Show (CES), the product won the Best of Innovation for Electronic Gaming award.