Product parameters:

■ Display type: TFT LCD screen

■ Touch type: capacitive touch screen

■ Size: 4.0 inch

■ Resolution: 480*480

■ Picture download: SD card /UART/WIFI

■ Storage space: 128Mbit

■ Communication mode: RS485

■ Communication baud rate: RS485: 1200 ~ 115200 bps, Typical baud rate: 9600bps

■ Operating system: embedded real-time operating system (FreeRTOS)

■ Core processor: 400MHz 32-bit dual-core processor

■ Product size (length * width * height): 90.7mm×90.7mm×27.9mm