24 T2453mis-B1 Touch Screen MonitorTouch Technology - Infrared The Infrared Technology Uses Infrared Backlight. A Touch Event Is Registered With Great Accuracy When The Infrared Light Is Blocked By Finger Or Stylus. This Technology Does Not Rely On An Overlay Or Substrate So It Is Impossible To Physically Wear Out The Touchscreen. Moreover The Display Characteristics Remain Virtually Unaffected By The Touch Functionality. Overdrive On / Off When Very Fast Graphics Are Displayed Your Monitor Can Sometimes Get Blurry. Turning On The Overdrive Feature Will Eliminate That. Speakers And Headphones Playing With Friends? Use The Integrated High-Quality Speakers. Don’T Want To Disturb Anybody? Plug Your Headset Into The Headphone Socket And Turn The Volume Up. Acr Contrast Ratio Is A Measurement Of The Difference Between The Darkest Black And The Brightest White Your Monitor Can Display. Advanced Contrast Ratio Is A Feature That Automatically Adjusts Contrast And Brightness Of The Screen To Assure Perfect Picture Quality While Watching Films And Playing Games. Vesa Vesa Mount Compliance Means You Can Easily Mount The Display To Any Mounting That Complies With The Vesa Standard. FeaturesScreen Size24 InchColour Of ProductBlack Touch ScreenYes Resolution1920 X 1080 PixelsSpeakers2 X 2W Hdmi Ports Quantity1 Dimensions With Stand (W X H X D)571 X 391 X 220.5 MmWeight6 KgWarranty3 Year On Site Swap Out Warranty As Standard - See Further Options On The Warranties Tab Below