1, lower price tft lcd screen panel 2, with rs 232 interface 3, ... with cpu,24 bit. 4, working mcu Product description: LCD display module with Touch-screen & Serial InterfaceConnect by Serial Port ... Screen & RTC & KB Temperature -30°C/+85°C Moisture 60°C,90% Voltage 4.5V-26V Backlight LED Brightness 300cd ... goods will be replaced by new product unconditionally. TFT LCD screen module with kernel driver