Provide online user manual, please check the manual carefully before using! ^^ This is a 3.2 inch HDMI display, 480x800 resolution, supports Raspberry Pi, Jetson Nano, and Desktop Windows PC. ^^ Working with Raspberry Pi, support Raspberry Pi OS / Ubuntu / Kali and Retropie. ^^ Working with Jetson Nano, support Ubuntu. Working with PC, support Windows 11/10/ 8.1 /8/7. ^^ Backlight is adjustable, saving power consumption.