1、4 IN 2 OUT: OUT A port also functions as a picture splitter. the OUT A output port is capable of displaying 4 HD Multimedia Interface HD input signals simultaneously on a single TV set. 2、6 SPLIT MODES: 4x2 switcher supports 6 splitting modes, within which users can freely switch between 4 HD input sources to achieve "single screen" display or "single screen display with multiple screens". 3、HIGH VIDEO RESOLUTION: HD Multimedia Interface 4x2 switcher supports panel button, remote control and TTL external control switching function. The video resolution supports up to 3840x2160 at 30Hz. 4、FULL METAL HOUSING: 4x2 picture splitter is housed in an all metal case that preserves the product's circuit board while reducing external signal interference and enhancing heat dissipation. 5、WIDE RANGE OF APPLICATIONS: HD Multimedia Interface 4x2 picture splitter is widely used in multimedia advertising, large screen display projects and teaching areas such as game halls, easy to use. Item Type: HD Multimedia Interface 4x2 Picture Splitter Model: KC 8402 Material: Metal Input: 4 x HD Multimedia Interface Output: 2 x HD Multimedia Interface (OUTPUT A Four Screen, OUT B Only Single Screen) Compatible With: HD Multimedia Interface 1.4b/2.0a, HDCP 1.4, DVI Video Resolution: 4K At 30Hz, 1080P At 60Hz, 720P Support: 6 Kinds Of Split Mode Switching Mode: Infrared Remote Control, Machine Button, External TTL Control Remote Control Battery Type: 2xAAA Alkaline Batteries (Not Included) 1 x HD Multimedia Interface 4x2 Picture Splitter 1 x Remote Control 1 x Power Adapter 1 x Instruction Manual