1,lower price hmi 2, with PCB board and Controller 3,tft lcd displayer module with touch and interface 4,24 bit color. Function: 1 ... TTL logic directly, Plug and Play.2. Write a control program for any MCU to work the TFT-Module via "Instruction Set".eg ... are from famous brand in world,the repair rate is only 0.2% per year.eg: TFT Screen: SHARP, AUO,CHIMEI Touch ...