This professional grade medical keyboard with touchpad features a permanent silicone keyboard cover and magnets applied to the back that allow it to adhere firmly to metal keyboard trays, even when tilted to full vertical position. It’s an ideal all-in-one touchpad keyboard designed for rolling carts, keyboard trays and wall mounts in hospitals, exam rooms and industrial computing workstations. Short USB cable makes it easy to disconnect or thread cables through a mount or wire management; 6’ USB extension cable is included. Waterproof keyboard is fully sealed to IP67 / NEMA 4X standards. Certifications: FCC, CE, RoHS Dimensions: 12”w x 7-3/4”d x 5/8" thk (305 x 198 x 14mm) Weight: 28 oz. (794g) Cord length: 7" cord + USB, 6’ USB extension cable included Connection: USB only (PS2 not available) Fully sealed touchpad cursor control and 2 mouse buttons Ideal for industrial and medical usage Fully sealed silicone keyboard, dust-proof, and washable Compatibility: IBM AT, Windows98/ME/2000/XP/VISTA/7/8 Ergonomic 87 key layout design Liquid Resistance: IP67 (Protected against the effect of immersion between 15cm and 1m) NEMA 4X (Protected against dust, particulates, liquids, ice)