This keyboard is waterproof and contaminate-proof and is designed for industrial applications where water, fluids, dust and dirt can damage a regular keyboard. These keyboards are sealed with silicone and can be dipped in water and cleaned with soap or other cleaners (non-petroleum based). Our products can be used in Food Service, Industrial, Manufacturing, Marine, Military, and Medical Applications. Features A specially designed industrial keyboard with touchpad, rigid and rugged, waterproof and washable, made of silicone Rubberized surface provides comfortable use of typing Compatibility Microsoftreg Windowsreg7 Vistareg XP 2000 ME 98 7 8 10 compatible withnbspUbuntu 18.04 OS Connection USB Key layout 104 keys + 12 function keys Dimensions 346(L) x 136(W) x 12(T) mm or 13.62Prime x 5.35Primex 0.47Prime Net weight 490 g Touch pad working area 63 x 47 mm Color Black Approvals CE, FCC RoHS Protection level IP68