Features: 1.4 In 2 Out: This 4K HD screen divider supports 4 In 2 out, and the OUT A output interface can simultaneously display 4 HD input signals on 1 TV. 2.4K Supported: This HD multi viewer supports the resolution of 3840x2160 30Hz, backward compatible with 1080P 60Hz and 720P. 3.6 Display Modes: This HD screen splitter supports 6 display modes that can realize "one view mode" or "multi view mode". Support panel button, remote control and TTL external control switching function. 4.Metal Case: This multi HD viewer adopts full metal case that can reduce signal interference from outside and improve heat dissipation function. 5.Wide Application: This 4K HD switcher is widely in multi player games, IT business, video meeting, exhibition hall, TV marketplace, stock market, display mall, education, surveillance etc. specification:Item Type: HD Screen Splitter Material: Metal Enter: HD Multimedia Interface x 4 Output: HD Multimedia Interface x 2 (Output A 4 Screen, Out B Only Single Screen) Compatibility: HD Multimedia Interface 1.4B/2.0A, HDCP 1.4, DVI (Self Adaptive EDID/HDCP Decryption) Video Resolution: 4K 30Hz, 1080P 60Hz, 720P Support: 6 Split Modes, 2CH Analog Audio Switching Mode: Infrared Remote Control, Machine Button, External TTL Control Battery Type of Remote Control: 2 x AAA Alkaline Battery (Battery Not Included) PackageList:1 x HDScreenSplitter 1 x Remote Control 1 x Power Adapter 1 x User Manual