ControlsOn Screen display: Waterproof front panel keyboardRemote control: 1 RS232 portElectrical FeaturesPower input: External 12 Vdc, 115-230 Vac, 50-60 HzPower consumption: 60 WKeyboard Foldable, 104 keys, back light,pointing device, built in alarm speaker901D OptionsPhysicalDimensions: 68 H x 29 W x 39 D (incl. open keyboard and isolators)