Mint condition, 100% working Accept no compromises with this 28" 4K UHD PixelPerfect™ monitor! Computer images and movies will spring to life with the UHD 3840x2160p maximum resolution and more than one billion colors, making it perfect for CAD-CAM, 3D graphic arts, and large, complex spreadsheets, as well as games and general use. Packed with advanced display features, such as Picture-in-Picture and Picture-by-Picture, this monitor includes support for multiple high-bandwidth input sources, including HDMI® with with the capability for direct input from Android™ devices. The A+ panel carries our PixelPerfect Warranty, which guarantees a flawless panel without even a single dead or stuck pixel! Features: 4K UHD (3840 x 2160p) maximum resolution 5K overdrive provides virtual support for expanded resolutions beyond 4K Supports Picture-in-Picture and Picture-by-Picture display modes Supports direct input from Android devices on the HDMI input Supports DisplayPort 1.2, HDMI, Dual-Link DVI-D, and VGA inputs Support for more than 1 billion colors with 100% support for the Adobe sRGB color gamut Built-in 2-watt/channel speakers with 3.5mm stereo audio input 5ms response time LED backlighting Antiglare matte finish PixelPerfect Zero Dead Pixel Guarantee 4K Resolution5K OverdrivePicture-in-PicturePicture-by-Picture 4K Resolution5K OverdrivePicture-in-PicturePicture-by-Picture Anti-Glare Matte FinishBuilt-in SpeakersPixelPerfect Guarantee Anti-Glare Matte FinishBuilt-in SpeakersPixelPerfect™ Guarantee 4K Resolution: Enjoy stunningly realistic images with the maximum 3840x2160p 4K UHD video resolution with support for more than 1 billion color variations. 5K Overdrive: Work with increased screen real estate using the virtual 5K overdrive mode. Picture-in-Picture: PiP allows for two video sources at the same time, allowing you to watch the big game in one corner of the screen while working with the rest. Picture-by-Picture: Monitor up to four video sources at the same time using the PbP video mode. Anti-Glare Matte Finish: The anti-glare matte finish minimizes reflections and glare, reducing eye fatigue and ensuring that you can see the screen image under any lighting conditions. Built-in Speakers: The built-in stereo speakers and 2-watt/channel amplifier, allows you to hear audio from the 3.5mm stereo line input, or the HDMI™ or DisplayPort audio/video inputs without the need for separate speakers. PixelPerfect™ Guarantee: This A+ video panel is guaranteed to have zero dead or stuck pixels! 1 Year Warranty Warranty Monoprice not only stands behind every product we sell with a 1 year replacement warranty, we offer a 30-day money back guarantee as well! If the product you purchase does not satisfy your needs, send it back for a full refund. Quality at a Fair Price Quality at a Fair Price Monoprice's rugged design and rigid quality control standards deliver high quality products at fair prices. Hassle Free Packaging Hassle Free Packaging Monoprice exists to bring simplicity, fairness, and confidence to technology choices. This product features recyclable packaging that is simple to open, cost effective, with minimal waste, and fully protective as it travels to you. Service & Support Service & Support You're never on your own with Monoprice products! We have a full team of friendly and knowledgeable technicians available to answer your questions, both before and after the sale. Contact our technical support team for questions about our products, troubleshooting, or even suggestions for products to fit your particular needs. Not to be outdone, our friendly and helpful customer service team is here to make your ordering, delivery, and any possible returns a quick and painless operation, from start to finish!