Features High Touch Precise: The touch screen is equipped with ARM9 processor, which has high touch precise and good anti interference Communication Protocol and Data Download: The communication protocol and screen data can be downloaded to the display, without the need for PLC to write a communication program Fast Running Speed: The touch screen has low power consumption, fast running speed and stable performance Backlit Display Function: The touch screen has backlit display function, and the LED life is long, up to 20,000 hours Application: This is a small human machine interface, mainly used in various PLC or intelligent controllers with communication ports Specification: Item Type: Industrial HMI Touch Screen Material: ABS, PU Model: WS043AP Display: 4.3in TFT LCD screen Resolution: 480x272PX Color: 260,000 colors Brightness: 400 cd/m² Backlit: LED LED Life: 20,000 hours Touch Screen: 4 wire industrial resistive touch screen (external hardness 4H) CPU: 32 bit 240MHz ARM9 Memory: 128M NAND FLASH RTC: Real time clock built in Ethernet: None USB Port: 1pcs USB 2.0 Devico port, 1pcs USB 2.0 Host port Program Download Method: USB download U Disk: Support U disk download and data transfer Serial Communication Port: COM communication serial port is 9 pin D type male socket, COM1 supports RS232 or RS485 or RS422 communication (dual serial ports can be customized, only support RS485 communication) Rated Power: DC24V, working range ±15% Power Protection: With lightning surge protection Allow Power Loss: <5ms CE and RoHS: Meet with EN61000-6-2:2005, EN61000-6-4:2007 standard Lightning Surge: ±4KV Group Pulse: ±4KV Electrostatic Contact: 4KV Air Discharge: 8KV Working Temperature: -20℃ to 50℃ Storage Temperature: -40℃ to 70℃ Ambient Humidity: 10-90%RH (non condensing) Shock Resistance: 10-25Hz (X, Y, Z 2G per 30 minutes) Cooling Method: Natural air cooling Protection Class: The front panel conforms to lP65 (with the flat panel installation), and the rear shell of the fuselage conforms to IP20 Open Hole Size: Approx.130x80mm/5.1x3.1in Overall Size: Approx.140x98x26mm/5.5x3.9x1in Package List:1 x Industrial HMI Touch Screen 2 x Mounting Bracket2 x Mounting Screw1 x Power Cable Terminal1 x Download Cable  Package List 1 x Industrial HMI Touch Screen 2 x Mounting Bracket 2 x Mounting Screw 1 x Power Cable Terminal 1 x Download Cable