The touch panel is interrupted and the low level is detected when the touch panel is pressed down 13*2 Pin Socket interface definition: Pin ④ Backlight adjustment button: Short press backlight change 10%, long press a few seconds to close backlight short press to open backlight ⑤ 13*2 Pin Socket：Get +5V Power from raspberry Pi to LCD, at the same time transfer touch signal back to Raspberry Pi. ① 3.5mm Headphone Jack: Output audio signal ② HDMI：Used to connect the main board and LCD display for HDMI transmission ③ Micro USB：Get 5V Power from USB, If ⑤-13*2 Pin Socket has been connected, that this USB interface can be No Connect. Support HDMI audio output, backlight brightness adjustable.Compatible with and can be directly inserted into all versions of raspberry PI motherboards (raspberry PI 1 generation B and Zero need additional HDMI cable).It can be used as standard HDMI output device for computer display(no touch function).Raspberry Pi monitor with touch control (need to install touch driver).4.0-inch IPS full-angle display, support HDMI input, refresh rate up to 60FPS.5 How to use Raspbian/Ubuntu Mate/Kali/Retropie system.

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