[DETAIL] Product Description : Brand new and high quality,buy with confidence! 1) There are 3 models for you choose,pls buy it correctly accordingy to your need. 2) HDMI ATC certified Ultra High-speed HDMI 2.1 cable is needed to work with this 8K HDMI 2.1 Switch. 3) Qualified 8K HDMI 2.1 cables,8K devices all are needed if you want to get 8K display. 4) The length of the HDMI cables connected to both ends of the switch should not exceed 3 meters in total. 5) The Remote Control battery is not included. HDMI 2.1 Switch 5 in 1 out / 4 in 1 out / 3 in 1 out: The 8K 5x1 / 4x1 / 3x1 HDMI Switch supports connect 5 / 4 /  3 HDMI sources to 1 HDMI display. UHD HDMI 2.1 8K Switcher: This HDMI Switcher with IR remote control supports 8K@60Hz,4K@120Hz,2K@144Hz, IR Control, HDR, HDCP,with transfer rates up to 48Gbps and backward compatible with all previous HDMI standards. 2-Way Switch Mode: Button Switch / IR Remote Switch optional,very convenient. Compatibility and Stability: This 8K@60Hz / 4K@120Hz HDMI Switcher support for the latest in High-bandwidth Digital Content Protection and HDMI specification guarantees system compatibility and stability. Features & Specifications: Quick Frame Transport (QFT) Support 8K@60Hz / 4K@120HZ / 2K@144HZ / 4K@60HZ / 1080P@60HZ Support HDMI 2.1 / HDCP 2.3 Support Dynamic HDR Support max. Bandwidth 600MHZ Support max. Transmission rate 48GBPS Support video color format 24/30/36 bit Audio Mode: Support DTS-HD/Dolby-TrueHD/LPCM7.1/DTS/Dolby-AC3/DSD HD(HBR)& ALLM / VRR (Variable Refresh Rate) pass-through All mode Support up to 8K 60 Hz YCbCr 4:2:0 10bit, 8K 30 Hz RGB/YCbCr 4:4:4 10bit or 4K 120 Hz RGB/YCbCr 4:4:4 10bit Support color depth color Package Content: 1x 8K HDMI 2.1 Switch ( 5x1 or 4x1 or 3x1 as you bought ) 1xUSB Power Cable 1xRemote Control (no battery) 1xUse Manual Without retail box and other accessories,if any need,pls contact us before purchase. [ATTRIBUTES] - Hign-concerned Chemical: None - Plug Type: AU Plug - Amplifier: No - Hign-concerned Chemical: None - Plug Type: AU Plug - Amplifier: No - Package: No - Type: HDMI SWITCH - Weight: Subject to physical object - Size: Subject to physical object - Model Number: 8K 3X1 4X1 5X1 Optional - Connector B: HDMI-Compatible - External Power Source: Yes - Connector A: Type-C,HDMI-Compatible - Gender: Female - Brand Name: Qkens - Certification: CE - Connector A: HDMI-Compatible - Origin: Mainland China - Connector B: HDMI-Compatible - Battery: No - Power Plug: No