Specifications: HDMI Input/Output: The length of hdmi input / hdmi output is less than 1.5 meter for 8K@60Hz/4K@120Hz;The length of hdmi input / hdmi output is less than 5 meter for 4K@60Hz Quick Frame Transport (QFT) supported High refresh rate: 8K@60Hz, 4K@120/60HZ, 2K@144HZ, 1080P@60HZ HDMI 2.1 specification: HDCP 2.3, Dynamic HDR, Depth Color Transmission rate: 48GBPS Video color format: 24/30/36 bit Video & audio: Supported Power Supply: DC5v 1A Features: STABLE TRANSMISSION: 8K@60Hz HDMI 2.1 switch uses the latest chips, made of Aluminum alloy material, anti-corrosion construction can also resist overheat or break, more durable & useful. HDMI Switch supports most devices with a standard HDMI interface. HDMI-compatible Switch: HDMI 2.1 and HDCP 2.3,48Gbps transmission speed,This HDMI-compatible switcher allow you to connect three HDMI-compatible source to one HDMI-compatible display All modes 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 Warm Tips: 1. While connecting to Source or Display, highly recommend using a power supply with a Micro USB cable from a 5V USB power adapter for best performance. 2. For 8K resolution, the length of the HDMI cables connected to both ends of the switch should not exceed 3 meters respectively. 3. If you need to output 8K@60Hz and 4K@120Hz, we recommend to use a High-quality HDMI 2.1 standard cable, share the most luxurious video & audio! Package Includes: 1X 3-Port HDMI 2.1 Switch 1X IR Remote Control(Not included 2* AAA battery) 1X USB Power Cable(Not included a DC5V power adapter) 1X User Manual