1、SIMULTANEOUS DISPLAY: The 4 in 2 out video switcher splitter allows up to four HD multimedia interface input sources to be displayed simultaneously on one (out A) output screen and one source to be displayed on one (out B) output screen. Note that OUT B is displayed sequentially. 2、6 SPLIT MODES: 4 in 2 out 4K HD multimedia interface switch supports 6 split modes, within the mode range, users can freely switch between the 4 HD input sources, which can realize "single screen" display or "single screen with multiple screens". 3、SUPPORT 4K 30HZ: Maximum resolution up to 4K 30Hz (distance 50CM), 1080P 60Hz, also support 720P, 1080i, 1024x768, 1360x768. compatible with HD multimedia interface 2.0a, when using high resolution, make sure the source is also supported. 4、REMOTE CONTROL: HD multimedia interface switch splitter has IR/TTL control, remote control and panel switch button control, you can use the remote control to switch HD multimedia interface channels from 10 feet away. It can also be controlled using a TTL USB computer. 5、WIDELY USED: Support HD multimedia interface devices (such as computers, laptops, DVD players, camcorders, game cartridges, security and surveillance devices, game consoles, etc.) to display on TV, monitor, projector, most of the HD multimedia interface sources are available. Widely used in multimedia advertising, large screen display projects and teaching field game halls and other places. Item Type: 4K 30Hz HD Multimedia Interface Switch Splitter Material: Metal Input: HD Multimedia Interfacex4 Output: HD Multimedia Interfacex2 (OUTPUT A Quad, OUT B Single) Compatible with: HD Multimedia Interface 1.4b/2.0a, HDCP 1.4, DVI Video Resolution: 4K 30Hz, 1080P 60Hz, 720P Support: 6 Split Modes, 2CH Analog Sound Switching Mode: IR Remote Control, Machine Buttons, External TTL Control Remote Control Battery Type: 2xAAA Alkaline Batteries (Battery Not Included) 1 x 4K 30Hz HD Multimedia Interface Switch Splitter 1 x Remote Control (Battery Not Included) 1 x Power Adapter 1 x Instruction Manual