Looking at a screen for long hours can be quite tiring for the eyes. But it doesnt have to. The new 27inch iiyama ProLite B2791HSU is big enough to make sure you can clearly see every detail and it comes equipped with technologies to help keep your vision intact. The panel backlight is flicker free and the blue light reducer function limits the amount of blue, the most unfavorable, light emitted by the screen. The height adjustable stand allows you to easily adjust the screen position to make sure you are looking at it at the right angle. VGA, HDMI and DisplayPort inputs along with a USB hub assure broad connectivity options. And as the monitor offers 1ms response time and supports FreeSync technology, it can serve not only as your workplace companion, but also to play games and watch movies. Main Features Flicker Free & Blue Light - The ultimate solution for the comfort and health of your eyes. Flicker free monitors with blue light reducer function. Absolutely no flickering. And the amount of blue light emitted by the screen and responsible for your eyes feeling fatigued substantially reduced. HAS & Pivot - With a height adjustable stand you will create an ergonomic work posture and position that meets all health and safety requirements. This will not only prevent any health issues but will also increase your productivity. The pivot function allows the screen to rotate from landscape to portrait orientation. This functionality can be useful if the application requires more height than width. FreeSync Technology - FREESYNC TECHNOLOGY Speakers & Headphones - Playing with friends? Use the integrated high quality speakers. Dont want to disturb anybody? Plug your headset to the headphone socket and turn the volume up. ACR - Contrast Ratio is a measurement of the difference between the darkest black and the brightest white your monitor can display. Advanced Contrast Ratio is a feature that automatically adjusts contrast and brightness of the screen to assure perfect picture quality while watching films and playing games. Display Screen Aspect Ratio16:9 Screen Size27 in Screen Width597.6 mm Screen Height336.15 mm Screen TechnologyFreeSync Screen ConstructionTN Pixel Pitch0.311 mm Brightness300 Lumens View Angle (Horizontal - Max)170  View Angle (Vertical - Max)160  Contrast Ratio1,000:1 Contrast Ratio - Dynamic12,000,000:1 Resolution (Native)1920 x 1080 Resolution Type (Native)Full HD Response time1 ms BacklightLED HD SupportFull HD Aspect Ratio16:9 Horizontal Frequency - Low30 kHz Horizontal Frequency - High83 kHz Vertical Frequency - Low55 Hz Vertical Frequency - High75 Hz Interfaces/Ports Audio Line Out Ports1 x 3.5mm Jack VGA In1 x D-Sub USB Ports2 x USB 2.0 AC Power1 x AC HDMI Ports1 x HDMI DisplayPort In1 x DisplayPort Mount Wall MountableYes Wall Mount100mm x 100mm (VESA) Tilt (Forward/Backward)-5 ~ 22 Swivel (Left/Right)90  Height AdjustableYes Pivot (Rotation)90  Warranty Warranty2 Years Electrical Power Adaptor TypeInternal Power Adaptor Output Voltage100 - 240 V Energy RatingA Physical Form FactorMonitor Case ColourBlack In The BoxB2791HSU-B1 MonitorPower CableHDMI CableUSB CableStandQuick Start GuideSafety Guide Width613.5 mm Depth230 mm Height397.5 ~ 527.5 mm Weight6.9 kg Key Features Resolution (Maximum)1920 x 1080 Pixels Resolution Type (Maximum)Full HD Screen Size Range24 - 29 in VESA MountableYes Built-in SpeakersYes Hard Glass CoatingNo VGA ConnectionYes DVI ConnectionNo HDMI ConnectionYes TouchscreenNo BNC ConnectionNo TV TunerNo Panel TechnologyTN 3D ReadyNo Power SourceMains Powered LED BacklightYes Disk Form Factor3.5 GamingNo Projection Aspect Ratio16:9 Display Model in ShowroomNo DisplayPort ConnectionYes 120Hz Refresh RateNo Screen TypeFull HD (1080p) FreeSyncYes 144Hz Refresh RateNo Curved DisplayNo 165Hz Refresh RateNo 200Hz Refresh RateNo 180Hz Refresh RateNo 240Hz Refresh RateNo Thunderbolt ConnectionNo HDR SupportNo 75Hz Refresh RateYes Built-in USB HubNo Refresh Rate75 Hz Graphics Device G-SyncNo