Wei Lun through MT8121IE 12.1 "1024x768 TFT LCD, LED backlight thin lightweight design body board coating protection treatment in harsh environments, to prevent corrosion Com1 / Com3 RS485 built-in isolation, double isolation protection design in complex ground environment, can guarantee stable operation of fanless cooling system COM1 and COM3 [RS485] 2W support MPI 187.5K same time, please choose one use NEMA4 / IP65 front panel protection class display monitor 12.1 "TFT Resolution 1024 x 768 Brightness (cd / m2) 500 Contrast ratio 700: 1 Backlight LED backlight life> 50,000 hours 24 bits color touch panel type four-wire resistive touch accuracy action zone length (X) ± 2%, the width (Y) ± 2% flash memory (MB ) 128 Memory (MB) 256 processor Cortex A8 32Bit RISC 600MHz output interface SD card into the SD / SDHC USB host device from the USB 2.0 x 1 USB device USB 2.0 x 1 Ethernet 10/100 Base-T serial port Com1: RS -232 / RS-485 2w / 4w, Com3: RS-485 2w calendar built-in power supply input 24 ± 20% VDC current consumption 800mA @ 24VDC withstand voltage 500VAC (1 min) Insulation resistance than 50MW at 500VDC shock resistance 10 to 25Hz (X, Y, Z axis 2G 30 minutes) Specifications Shell Material industrial plastic Dimensions WxHxD 322 x 243 x51mm Hole Size (mm) 305 x 231 mm Weight (kg) of about 2.1 kg Environment Protection class IP65 Storage temperature -20 ° ~ 60 ° C (-4 ° ~ 140 ° F) Operating ambient temperature 0 ° ~ 50 ° C (32 ° ~ 122 ° F) Relative humidity 10% ~ 90% @ 40 ° C (non-condensing) Certification CE CE marked software EasyBuilder Pro V4.00.01 or later