The SLK-79 and SLK-79-M have been designed for mobile applications that require a small-footprint and backlit input device. Featuring red backlit keys and an integrated HulaPoint II pointing device with dual left-click capability, the NEMA 4X-rated 79's offer a large amount of functionality in ultra-small footprint packages. Like other keyboards in the IKEY line, the SLK-79 and SLK-79-M feature sealed, industrial silicone rubber keypads, as well as robust ABS polycarbonate cases. The SLK-79 measures .Features USB or PS/2 cable only 9.25 x 3.85 x 0.75 (w-d-h) ABS Polycarbonate Case Backlit Keys Integrated Pointing Device Ultra-Small Footprint