Azend Group JH-IKB85 USB Mini Size industrial Keyboard with 86 Keys, Built-In Mouse, Water Resistant, Washable A mini size industry keyboard with built-in mouse pad, water resistant and washable Made of silicone Compatibility: Microsoft Windows Vista/XP/2000/ME/98 Touch pad working area: 63 x 41 mm Dimensions: 230(L) x 150(W) x 10(T) mm Key layout: 85 keys and 2 mouse buttons