| Specifications: Screen Size：21.5inch Screen Type：LCD Panel Type：IPS Resolution：1920*1080 Viewing Angle：L/R=178°, U/D=178° Refresh Rate：60Hz Screen Ratio：16:9 Surface Luminance：300cd/m² Touch Function：Capacitive Touch Touch Points：Capacitive Multi-touch Power Supply：DC12V 3A Interface：VGA/HDMI/Audio/USB(touch) Built-in Speaker：Yes Case Material：Sheet metal housing - black |