Screen size: 21.6inch, LCD Panel Type: LCD, LCD Panel resolution: 960*960, Interface - Connection portals: HDMI IN, DVI, VGA, Housing type: Closed metal housing, Network options: Wifi, Operation System: Android 4.4 - Rockchip RK3188, Accessories: Remote Control, Accessories: Power Adapter

Screen size: 21.6inch, Screen type: LCD screen only - no touch, LCD Panel Type: LCD Panel, LCD Panel resolution: 960*960, Interface - Connection portals: HDMI IN, DVI, VGA, Ratio: 1:1, Housing type: Closed metal housing, Start-Up: AutoStart by plug-in the power-adapter

Screen size: 26.5inch, Screen type: Non-Touchscreen, LCD Panel Type: IPS Panel, LCD Panel resolution: 1920*1080, Operation System: Android 5.1 - Rockchip RK3288, Quad Core Cortex A7, 1.3G, Rooted, Interface - Connection portals: Micro USB Portal, USB Type C, Serial Port: RS232, Network options: Wifi, Bluetooth 4.0, Memory: RAM 2GB - Internal Memory: 8GB, Ratio: 1:1, Usage: 24/7

Screen size: 26.5inch, Screen type: LCD screen only - no touch, Ratio: 1:1, LCD Panel Type: IPS Panel, LCD Panel Type: Anti Glare, Operation System: GPU: ARM Mali-400MP2, Android 5.1, RK3229 (Rockchip) Cortex-A7 Quad-Core @ 1.5GHz, Cortex A7, Quad Core 1.5GHz, Interface - Connection portals: LAN input for Internet connection - RJ45, Micro USB Portal, 3.5mm Jack, Micro SD Card (MMC card) reader, USB Type C, Serial Port: RS232, Mini HDMI Portal, Resolution Internal VideoPlayer: 1920*1920, Housing type: Black Metal Housing, Memory: RAM 2GB - Internal Memory: 8GB, Usage: 24/7, Brightness: 450 cd/m2, LCD Panel resolution: 1920x1920 pixels @ 60 Hz, Network options: Wifi, Bluetooth 4.0, Weight: 3.2kg