ThinkVision T34WD40 34 WQHD 3440x1440 VA display, Antiglare 21:9, 1500R Extreme mode 4 ms response time 3000:1, 99 sRGB, 99 BT.709, 8bit 5 to +23.5 tilt, left right 45 swivel, up to 155mm lift stand Eyesafe Certified 2.0, T�V Rheinland Eye Comfort Certification 5star, T�V Rheinland Low Blue Light Hardware Solution, T�V Rheinland Flicker Free