3 to 1 HD Multimedia Interface Switcher 3 in 1 Out 8K At 60Hz 4k At 144hz HDR Video Switcher with IR Remote Control Item Type: 3 To 1 HD Multimedia Interface Switcher Material: Aluminum Alloy Input Port: 3 x HD Multimedia Interface 2.1 Input Port Output Port: 1 x HD Multimedia Interface 2.1 Output Port HD Multimedia Interface Standard: Support HD Multimedia Interface 2.1 Protocol Standard, Backward Compatible With HD Multimedia Interface 2.0/1.4/1.3/1.2.1.1 Protocol Standard Resolution: 7680x4320 At 60hz, 4k At 144hz, 4k At 120HZ, 3860x2160P At 60hz 1080P 1080i 720P 720i 480P 480i And More HDR: Support HDR High Dynamic Range Imaging Standard Data Rate: 20 Gbps For High Speed Channel Compatible: Support RBR, HBR1, HBR2, HBR3, UHBR 10, UHBR 13.5 And UHBR 20 Remote Control Battery: 1 x CR2025 (Not Included)