Features: This multi-viewer HD splitter can achive the matrix function of 4 input and 2 output, and the OUT-A port can also achive screen split function. The OUT-A output interface can display 4 HD input signals on one TV simultaneously, the video resolution up to 3840*2160@30Hz, displaying more image details. This product supports 6 split modes, users can freely switch 4-way HD input, and achieve "single screen" display or "multi-display on one screen" function. Support panel button switch, remote control switch and TTL external control. Equipped with DC power adapter to solve the problem of insufficient power supply for multi-device connection, low power consumption, more stable. It can be widely used in multimedia advertising, large-screen display engineering, game halls, etc. Specification: Type: HD splitter Brand: KCEVE Color: Black Shell material: Metal Input interface: 4*HD(4K@30Hz) Output interface: 2*HD Resolution: 4K@30Hz, 1080P@60Hz, 720P@60Hz Compatibility: Compatible with HD 1.4b/2.0a, HDCP 1.4 and DVI Item size: 10 * 6 * 1.8cm /3.94 * 2.36 * 0.71in Packing list: 1 * HD splitter 1 * Remote control(not include 2*AA batteries) 1 * Power adapter 1 * User manual