Eyesafe Display, T?V Low Blue Light (Hardware solution), T?V Rheinland Eye Comfort HDR10 Natural Low Blue Light ThinkCentre M Series Tiny Support ThinkCentre M Series Nano Support Kensington Lock Slot Cable Management Screen Type: In-Plane Switching
Backlight: WLED
Diagonal [inches]: 28″
Resolution: 3840 x 2160
Point pitch [mm]: 0.16
Refresh rate [Hz]: 60 Hz
Aspect ratio: 16:9
Display surface: Anti-glare
Brightness [cd/m2]: 300
Contrast: 1000:1
Response [ms]: 4 ms (Extreme mode)/6 ms (Typical mode)/14 ms (Off mode)
Viewing angles (Horizontal/Vertical): 178/178
Number of colors: 1.07 M
Speakers: 2 x 2 W Connectors: Video Signal 2 x HDMI 2.0 1 x DP 1.4 Audio Signal 2 x Audio Out (3.5 mm) Power supply: internal, AC 100 to 240 V (50-60 Hz)
Consumption [W]: 30 W
Stand By mode [W]: < 0.5 W Wall mounting: VESA 100 x 100 mm Monitor tilt: Tiltable: -5?/22? Rotatable: 360? Height adjustment: 200 mm Pivot: -90?/90? Color: black Dimensions (with stand, WxHxD mm): 636.9 x 580.6 x 220 mm Dimensions (without stand, WxHxD mm): 636.9 x 373.7 x 48.9 mm Weight [kg]: 4.6/6.8 kg Package contents: Monitor with stand 1 x Power Cable (1.8m) 1 x HDMI 2.0 Cable (1.8m) Quick Setup Guide TCO Certified: Yes https://psref.lenovo.com/Detail/ThinkVision/ThinkVision_E28u_20?M=62F9GAT4EU