The Wireless RF Waterproof Silicone Keyboard with Numberpad and Touchpad, KB-JH-WKB810 is a rugged waterproof and contaminate-proof keyboard which can be used in many environments. Perfect for a hospital, factory, restaurant, kiosk, laboratory, library, science museum, or even at home around the children. This keyboard is ergonomic designed with a numberpad and touchpad with a Palmrest support. The keyboard can be washed and cleaned with soap and other cleaners (non-petroleum based) making it perfect for harsh environment like hospital, shop floor, office, or high traffic areas. A specially ergonomic designed wireless keyboard with numberpad and touchpad for PC computers Rigid and rugged, waterproof and washable Made of silicone 2.4 GHz Radio Frequency (RF) technology Automatically connects between keyboard and USB receiver Working distance up to 10 meters (30 feet) Rubberized surface provides comfortable typing Compatibility: Microsoft Windows 7/8/10/Vista/XP/2000/ME/98 Communication: Mini USB receiver (not spillproof) Batteries: 2 AAA batteries (not included) Key layout: 101 with integrated numberpad and touchpad Dimensions: 378(L) x 200(W) x 50(T) mm or 14.88″ x 7.87″ x 2.00″ Protection level: IP67 Approvals: CE, FCC & RoHS