①Backlight button: backlight brightness adjustment button, short press backlight changes by 10%, long press 3 seconds to close backlight
②HDMI interface: HDMI signal input interface
③Amplifier interface: HDMI audio output interface
④USB power supply interface: provide power for ordinary display (5V 1A)
⑤Transaction raspberry pie 26PIN base: gets power and return touch from this area when used as a raspberry pie monitor
Note: This item not include raspberry pi board, for any problem when you use this display, Please contact us, we will try our best to help you.