The resolution of the LCD display is 800 x 480, you can configure the resolution via software, and the maximum resolution it supports is 1920 x 1080. It is a USB capacitive touch screen and does not require a driver. It supports five touch controls, besides that, the LCD screen comes with an OSD menu adjustment function. You can adjust the contrast, brightness, and switch buttons. There are 9 interfaces on the back of the screen, one earphone for audio output; two touches (USB connector), for power supply and touch output; and one display, an HDMI-compatible interface, for connecting the motherboard and LCD display. One power, it can control the backlight to turn on and turn off to save power. One return, it’s only useful in the OSD menu. One right/down, backlight shortcut key. One left/up, backlight shortcut key. A menu, it’s useful in the OSD setting menu, open the OSD/ select key.
Note:
*When working with Raspberry Pi 4, for the system image of Raspberry Pi after 2021-10-30, for example on Bullseye, please modify "dtoverlay = vc4-kms-v3d" to "dtoverlay = vc4-fkms-v3d" in the config file, otherwise it may fail to start. But on Buster, please comment out "dtoverlay = vc4-fkms-V3D" by adding #.