Product Description:The product is a 4 by 1 Quad Multi-Viewer.It supports four HDMI input sources to be displayed on one screenwith multi-view mode. As a switcher,it supports 5 view modes . The product can be controlled by button orremote control,very convenientcan output the HDMI source audio at the same time.FEATURES :1.Support HDMI1.4 HDCP1.4;2.Supports Multiplexed HDMI 4 input and 1 output;3.Support high resolutions up to including:480i/p,576p,720i/p,1080i/p,4Kx2K@30Hz;4.Support 4 by 1 Quad Multi-viewer and seamless switch in single picture mode (no PIP function);5.Support scaler up,scaler down function;6.Support multi output resolution;PACKAGING ACCESSORIES:4K/30 HDMI 4x1 Multi-viewer------------------------1PieceDC 12V Power Adaptor-------------------------1PieceUser Manual---------------------------------------------------1PieceRemoteControl-----------------------------------1Piece(no battery)Without retail box,if need,pls contact us firstHDMI 4x1 Quad Multi-Viewer1. Support 4xHDMI input, 1xHDMI output. 2. Support 4 channels HDMI signal screen segmentation. 3. Support 4 channels HDMI signal seamless switching. 4. Support highest resolution up to 1080P@60Hz. 5. Support IR remote control. 6. Compatible HDMI1.3a, HDCP1.2, input compatible DVI1.0 version. 7. Support resolution: 1080P, 720P, 1080i, 1024X768, 1360X768 and so on. 8. Support audio output format: PCM2. 9. Support standard AWG26 cable, input up to 15m, output up to 15m. 10. DC 12V/1A power adapter.