product description:displayscreen type: tnbacklight: leddiagonal [inch]: 27 &,, 68.5cmworkspace size: 335.7 x 596.7 mmresponse time [ms]: 1 mscontrast: 1 000: 1 typical (12m: 1 acr)brightness [cd/m2]: 350 cd/m2 typicalviewing angles (horizontal/vertical): 170?/160?pixel pitch [mm]: 0.233 x 0.233 mmnative resolution: dvi: 2560 x 1440 @ 60hz, hdmi/displayport max: 2560 x 1440 @ 144hzcolor: 16.7 mdisplay surface: matteaspect ratio: 16: 9black tuner: yesblue light reducer: yesflicker free: yesconnectorsanalog input: nodigital input: dvi, displayport, hdmiearphone output: yesusb hub: yes, 2x usb 3.0special functionsspeakers: 2 x 2 w (stereo)pivot: yesheight-adjustable stand: yes, 130 mmrotating stand: yes, 90?, 45? to the left, 45? to the righttilt the screen: 22? up, 5? downvesa bracket: 100 x 100 mmcolor: blackcertificates: ce, tv-gs, cufreesync support: yes, hdmi displayport: 2560x1440 @ 144hzpower managementpower supply: internalconsumption [w]: 40 wstand by mode [w]: 0.5 wdimensions/weightdimensions: 613.5 x 397.5 (527.5) x 230 mmweight [kg]: 6.4 kgpackage contents: power cord, hdmi cable, displayport cable, usb cable, stand, quick start guide, safety guidewarranty: 36 monthsjapanese precision, japanese speed, japanese reliability is iiyama.