Philips 23,8 " LCD panel type: IPS technology ; Aspect ratio: 16:9 ; Optimum resolution: 1920 x 1080 @ 60 Hz ; • Response time (typical): 5 ms (GtG)*Brightness: 250 cd/m²; SmartContrast: 10,000,000:1; Contrast ratio (typical): 1000:1; Viewing angle: 178º / 178º; Display colors: 16.7 M ; Signal Input: VGA (Analog ), DVI-D (digital, HDCP), HDMI (digital, HDCP); VESA mount (100x100mm); Black

Acer Display 55cm 21.5" W, SA220QAbi /Ultra Thin / ZeroFrame / IPS/ 4ms / /Resolution: 1920 x 1080/ 16:9/ 178°-178° / 75 Hz / 250 cd/m / VGA / HDMI / Warranty: 2 Years / Black Matt / Glossy foot Black