industrial keyboard metal keyboard with trackball, waterproof IP65, vandal proof IK07, CE, FCC , ROHS certificated industrial keyboardBasic Instruction1.Support WIN98WIN2000WIN ... Kiosk, Info-Kiosk, Internet Kiosk, Medical Kiosk, Industrial Control Platform.Interfaces1.PS/2 or USB2.65keys Mechanism ... 2.Operating TemperatureEconomical Grage: 0+45 RH:30~90%Industrial Grade: -40+60 RH: 30~90%3. ...