1. This 3x1 HDMI switcher can connect multiple high-definition signal sources to one high-definition signal port, and supports slice rate 3840x2160P, 4Kx2K. It can easily switch three high-definition signal sources to one high-definition display or projector freely. In addition, connecting its port with an HDMI cable can amplify the HDMI signal. 2. Easy to operate and quick to install 3. Multi-group HDMI signal switching output 4. Compatible with HDMI2.0 5. It synchronously sends a group of HDMI signals to multiple groups of the same HDMI signal, and has the functions of shock reduction and amplification. The HDMI splitter series can reach a transmission distance of up to 15 meters. Product parameters: 1. Video amplifier circuit bandwidth: 2.5Gbs250MHz 2. Video signal input: 0.5-1.0V p-p 3. Display data channel signal input: 5V p-p(TTL) 4. Maximum single link range: 1920*1440, 1080p 5. Video formats support VGA: 640*480, 800*600, 1024*768, 1280*1024, 1600*1280, 1920*1440, 3840*2160P, 2K*4K 6. Video format supports DTVHDTV: 480i576i480p576p720p1080i1080p3840*2160P 7. Compatible with HDMI2.0 devices. HDCP 2.24K HDR, color format RGB 8:8:8 8. Display refresh rate: 4K 60HZ