Upgraded HDMI 2.1 switch with new designed HZ21 chip is more stable than similar products in the market, supports bidirectional 2in 1out or 1in 2out(2out can not display simultaneously) 48Gbps HDMI 2.1 Switcher supports 8k@60hz, 4k@120hz, 2k@144hz, 1080p@120hz, 1080p@240hz. eARC, HDR 10+, HDCP 2.3, DPCP, DTS-HD, Dolby-true HD, LPCM7.1, DTS, Dolby AC3, DSD etc. Back compatible with former hdmi standard One Key Switch to select sources/displays with LED light telling you which port is working. We remained power port to enable a more stable transimisson job The Switch supports device with hdmi interface like PS5/4, Xbox, Nintendo Switch, Laptop, Apple TV, Blu-ray DVD, projectors, monitors or Full HD TVs Package Includes new designed HDMI 2.1 switch, USER manual, power cable, 12-month worry-free warranty and life-time customer service from Vszerda