The Hikvision DS-D5022QE-B 21.5″ LED Monitor with backlit technology from Hikvision offers a maximum resolution of 1920 x 1080 and brightness of 250cd/m2 (Typical). It comes with HDMI and VGA inputs. The contrast ratio of 1000:1 showcases the monitor’s ability to handle light and dark images on the screen. Specifications:  Display Display Type: | LED-Backlit Screen Size: | 21.5” Pixel Pitch(H×V): | 0.248mm ×0.248mm Max Resolution: | 1920×1080 Brightness: | 250cd/m2 (Typical) Contrast: | 1000:1 Response Time: | 5ms Color: | 16.7M Viewing Angle: | Horizontal 170°, Vertical 160° Interfaces HDMI Input: | 1 VGA Input: | 1 Mounting VESA: | 100mm × 100mm General Power Supply: | 100 ~ 240V AC Consumption: | < 30W(on)< 0.4W(Standby) Operation Temperature: | 0°C ~ 40 °C Operating Humidity: | 10%~85% (No Condensation) Storage Temperature: | -20°C ~ 60°C Storage Humidity: | 5%~95% (No Condensation) Dimension (W×H×D): | 511mm×377mm×170mm Weight: | 4.5Kg(Grossweight) , 3.3(Net weight)