Purchased from Amazon in October 2023. Used for one week. I am selling it because I bought a new monitor. It comes with a 3-year warranty from the date of purchase. Screen Size: 27 inches Display Max Resolution: 3840 x 2160 Pixels Brand: Dell Features: Frameless, Wall Mountable, High Dynamic Range, Pivot Adjustment, Height Adjustment Refresh Rate: 60 Hz Connectivity: USB, DisplayPort, HDMI It has been used for one week, so it is a used item. Thank you for your understanding.