eyes are your everything the energy emitted by blue light can damage the eyes and cause fatigue. blue light reduction blocks and absorbs the blue light generated by the screen and protects your eyes from its harmful effects.screen type: ipsdiagonal [in]: 27 resolution: 2560 x 1440 (wqhd)point pitch [mm]: 0.2331refresh rate: 60 hzaspect ratio: 16: 9display surface: anti-glarebrightness [cd/m2]: 300contrast: 1000: 1response [ms]: 5 msviewing angles (horizontal/vertical): 178/178number of colors: 16.7 mspeakers: 2 x 2 wconnectors: 2x hdmi (1.4) 1x display port (1.2) 1x headphone-outpower supply: 100 ~ 240v, 50 ~ 60hz, internalwall mounting: vesa 100 x 100 mmtilting the monitor: height adjustable: 0 ~ 120 mm pivot: -90? ~ 90? rotating: -30? ~ 30? tilting: -8? ~ 20?color: blackdimensions (wxhxd mm): 612.6 x 405.4 x 228.9 mmweight [kg]: 6 kgwarranty: 36 months