Staco Systems' enclosed, rugged illuminated M779 keyboard was designed for rugged duty computer applications where clean environments must be maintained. The M779 is watertight sealed, dustproof and meets a NEMA 4 water resistance rating. It is designed with a built-in touchpad pointer control with left and right mouse buttons. The keyboard also has an integrated USB accessory port on the side for expansion such as flash memory drive, card reader, or any other USB compatible devices. This expansion provides additional functionality and capability of the keyboard. It's built with elastomer for optimal sealing.