21. 5” Full HD (1920x1080) with 1ms response time for crisp visuals featuring HDMI and VGA connectivityASUS Eye Care technology lowers blue light and eliminates flickering to reduce eyestrain and ailments. Viewing Angle (CR?10) is 90°(H)/65°(V). Built in 1. 5W stereo speakers allow for full sound without external speakers. Exclusive GamePlus adds in-game viewing for adding a crosshair, timer, FPS, counter and display alignment