Provide online user manual, please check the manual carefully before using! ^^ The display orientation is portrait by default, 3201480 resolution (HV). Change the software config for landscape display. ^^ 11.9 inch IPS screen, 320x1480 resolution. 5-point capacitive touch control, tempered glass panel, hardness up to 6H. ^^ Use with Raspberry Pi, supports Raspberry Pi OS / Ubuntu / Kali and Retropie system. ^^ Use as a computer monitor, it supports Windows 11 / 10 / 8.1 / 8 / 7 system. HDMI audio input, 3.5 mm headphone/speaker jack.