Feature: 1. 4K30HZ HIGH RESOLUTION: Video switcher supports 4K30HZ high resolution signal connections between 4 sources and 4 video displays with no signal degradation and backward compatibility with lower resolutions. 2. 4 IN 4 OUT: 4 in 4 out HD Multimedia Interface switcher supports 4 channels of HD Multimedia Interface signal input and output. Easy to use, high stability and high reliability. 3. 3 SWITCHING MODES: Video switcher supports 3 switching modes. Button switching, infrared remote control switch, RS232 serial port. Suitable for workplace, security monitoring, conference room, training place, etc. 4. PLUG AND PLAY: HD Multimedia Interface switch is easy to install, plug and play. Support 4 kinds of preset scene setting and calling. Quickly set the distributor mode. Support RS232 custom protocol. 5. COMPATIBLE: Video switcher supports HDCP1.4 and is compatible with HDCP1.4. Input supports PC, TV box, for PS3, for PS4, for Xbox, for Xbox one, for Switch, HD player, etc. Output supports projector, monitor, HDTV, etc. Specification: Item Type: HD Multimedia Interface Switch Material: Aluminum Alloy Input: HD Multimedia Interface x 4 Output: HD Multimedia Interface x 4 HD Multimedia Interface Input And Output Resolution: Up To 4K30HZ HD Multimedia Interface 1.4: HD Multimedia Interface 1.4 Support HDCP1.4: Support HDCP1.4 DVI 1.0: Support DVI 1.0 Support Color Space: RGB YCbCr444 YCbCr422 YCbCr 420 Color Gamut: RGB, BT601, BT709 Color Depth: 8/10/12/16 Bit Input Mode: Auto Recognition Output Mode: Bypass Support 3 Switching Modes: Button Switching, Infrared Remote Control Switch, RS232 Serial Port Product Size: Approx. 252x93x42mm / 9.9x3.7x1.7in Remote Control Battery: 1 x CR2025 (Not Included) Voltage: 100-240V. Package List: 1 x HD Multimedia Interface Switch1 x Power Adapter1 x Instruction Manual1 x Remote Control Note: Please allow some error due to manual measurement.