The Acer RT280Ks zero-frame design maximises its viewing area, and provides seamless viewing experience with the monitors wonderful 4K2K display. You also get multiple display connectors to make it easy to connect any video source. The Acer RT0 monitors feature Acer ComfyView technology which reduces the light reflected off the screen. Acer zero frame design saves space on your desk and lets you place multiple monitors side by side to build a seamless big-screen display. The displays have an ultra-thin enclosure with most of the display only 6.6mm thick, thinner than many smartphones. Monitor: 28in LED display. Resolution 3840 x 2160 pixels. Brightness 300cd/m2. Contrast ratio 100000000:1. Built-in speakers. Suitable for wall mounting. Interfaces and connectivity: DVI, hDMI, . Digital input. Speaker power 2 x 2 watts RMS. General features: Power saving facility. Size H38.2, W65.9, D21cm. Weight 5.64kg. Manufacturers 2 year guarantee.