TFT touch color display, Display size: 4.3", Number of colors: 262,000, Resolution: 480 x 272 pixels, Analog outputs: 4 x +/- 40 V or 4 x 4-20 mA, Digital I/O: 8 x DIO/2 x Alarm/4 x 8 Bit PWM outputs, Interface: RS-232 (RS-485 expandable), Operating voltage: 5-30 V DC, Operating temperature: 0-40°C