Features:
Support Access Raspberry Pi 2 generation / B / B +, eliminating the need to buy bulky HDMI monitor
320 × 480 resolution for sharper display
Provide convenient human interface for Raspberry Pi, with mobile power use, can be anywhere DIY design
Raspbian support system that allows your system:
Support for video playback (MP4 and other formats)
Support for touch control camera (17 kinds of camera mode)
Support soft keyboard (mouse and keyboard can also be controlled from the system)

Interface definition:
1,17: 3.3V: Positive supply (3.3V power input)
Twenty four: 5V: Positive supply (5V power input)
3,5,7,8,10,12,13,15,16: NC: NC
6,9,14,20,25: GND: Power Ground
11: TP_IRQ: Touch panel interrupt, the touch panel is pressed is detected, compared with low
18: LCD_RS: Instruction / data register select
19: LCD_SI / TP_SI: LCD display / touch panel SPI data input
Twenty one: TP_SO: SPI data output of the touch panel
Twenty two: RST: Reset
Twenty three: LCD_SCK / TP_SCK: LCD display / touch panel SPI clock signal
Twenty four: LCD_CS: LCD chip select signal, low choose LCD
26: TP_CS: The touch panel chip select signal, low touch panel selection