Black metal keyboard with trackball waterproof IP65, vandal proof IK07, CE, FCC , ROHS certificated. Black Metal keyboard with trackballBasic Instruction1.Support WIN98WIN2000WIN XP System 2.comply with ISO/IEC 9995GB ... , Internet Kiosk, Medical Kiosk, Industrial Control Platform.Interfaces1.PS/2 or USB2.65keys Mechanism Performance 1.Keyboard lifespan: more than 2 million2 ...