Screen Condition: No Defects, Class A Chassis Condition: Minimal Signs of Use Specification: Manufacturer: Dell Product Model: U3415Wb Sensor diagonal: 34" Matrix standard: IPS Sensor resolution: 3440 x 1440px Aspect ratio: 21:9 Screen Technology: LED Static contrast: 1000:1 Dynamic contrast : 2,000,000:1 Refresh rate: 60Hz Sensor brightness: 300 cd/m2 Sensor response time: 8 ms Spot size: 0.230 x 0.230 mm Vertical viewing angle: 178 degrees Horizontal viewing angle: 178 degrees Speakers: 2 x 9W VESA 100 x 100 mm Interface: 1 x HDMI 1 x HDMI/ MHL 1 x DisplayPort in 1 x Mini DisplayPort.