1, lower price tft lcd screen panel 2, with rs 232 interface 3, with cpu,24 bit. 4, working mcu Product ... display module with Touch-screen & Serial InterfaceConnect by Serial Port (RS-232) directly / Plug and Play.Control by Any MCU Display module ... Backlight LED Brightness 300cd/m2 Viewing Area 232.2*168.4 Power Consumption12 W Interface RS-232/3.3V TTLProcessing SpeedSwitch 10 Pictures ...