Siemens 6AV2123 Series CAN Touch Touch Screen HMI 12 in TFT 1280 x 800pixels. Display Colour: Colour. Port Type: RS-422, RS-485, USB. Processor Type: ARM. Onboard Memory: 10 MB, 256 kB. Backlighting: Yes. Supply Voltage: 24 V dc. Minimum Operating Temperature: 0°C. Dimensions: 330 x 245 x 60 mm. Maximum Operating Temperature: +50°C. MPN: 6AV2123-2MA03-0AX0