Description: 1. Convenient Usage The screen can get signal of camera, video, laptop, TV etc. 2. High Quality SMD2121 or SMD1515 LED Chip, wide viewing angle, perfectly matching with events,exhibition and concerts etc. 3. Super Light and Slim The cabinet is light in weight so it's easy for you to install it and convenient for delivery. 4. High Refresh Rate The refresh rate is more than 38400 HZ so the screen picture is clear wihtout flicker and distortion, thus to protect your eyes 5. Less Noise Design The air fan free to eliminate noise; Al Materials can improve the heat emission, meeting the demands of less noise in the indoor occasions.