Connectivity Technology 
USB 
USB 
USB 
USB; Ethernet; WiFi 
Display Resolution Max 
1080p 
1080p 
1920 X 1080 
1080p 
Display Size 
55 Centimetres 
54.61 Centimetres 
22 inches 
22 inches 
Display Technology 
LED 
LED 
LED 
LED 
Image Aspect Ratio 
16:9 
16:9 
16:9 
16:9 (widescreen) 
Item Dimensions 
4.6 x 51.8 x 32.1 Centimetres 
50.76 x 38.8 x 14.63 Centimetres 
5.3 x 53.2 x 33.7 Centimetres 
5.23 x 51.96 x 32.38 Centimetres