. The KA series is optimised for a comfortable viewing experience. The display is easy on the eyes with a fast refresh rate low response time and special technology to reduce glare and harsh blue light. Vibrant ImagesCrisp true-to-life colors come alive in Full HD 1080p resolution. Movies and games appear more real and dramatic and small details and text are clear with1920x1080 resolution in a 16 9 aspect ratio. ZeroFrame DesignWith a 21.5 to 27 FHD IPS display you'll want to see as much of it as possible. Get more monitor real estate with the near bezel-less design allowing you to see more and do more. The ZeroFrame design lets you place multiple monitors next to each other for a seamless almost uninterrupted view. No Screen TearingSay goodbye to stuttering and tearing with AMD Radeon FreeSync technology and a 75Hz refresh rate. Video editing is smoother as the monitor's refresh rate is synched to your computer's framerate. No matter what you're working on the 1ms Visual Response Boost ensures clear blur-free images. Eye Safety FirstProtect your eyes from unnecessary strain by utilizing Acer BlueLightShield and Flickerless technologies. View your monitor for longer with reduced glare and eye fatigue thanks to Acer ComfyView and Low Dimming. Adjustments On The FlyNo need to fiddle with buttons. Easily modify your monitor settings via the Display Widget utility software. Customize your viewing by selecting different modes for different apps. Exacting ColorsAcer monitors use a unique form of 6-axis color adjustment in order to aid professionals in obtaining the exact color and hue they prefer. Using this feature the user can adjust hue and saturation in 6 axis. These axis range from R G B to C M and Y and allow the user to cater the monitor's colors to their professional needs..