... 3, with cpu,24 bit. 4, working mcu Product description: LCD display module with Touch-screen & Serial InterfaceConnect by Serial Port ... ModelSTA121WT-01 (Advance type)Size12.1 inchModule kernelCPUColour16.7M(24bit) Resolution:1024*768Flash memory2GWith High-precision Touch-Screen & RTC & KB ... the goods will be replaced by new product unconditionally. TFT LCD screen module with kernel driver