xyexkbpc_ii/iii series intrinsic safety explosion-proof computer keyboard/mouse is a computer input device with intrinsically safe explosion-proof type. it has strong and durable structure, beautiful appearance, good airtightness, waterproof, dustproof, and long service life. it is widely used in safety monitoring systems and automatic control systems in petroleum, chemical, textile, medicine, military, electric power and other dangerous places with explosive gas and dust.