This 4-Port HDMI Video Switch enables four HDMI sources to connect to a single HDMI input on a display. The HDMI Switcher supports resolutions of up to 8K 60Hz. In addition, it supports lower resolutions at higher refresh rates, such as 4K 144Hz, 4K 120Hz, and 1080p 240Hz. This Video Switch is HDMI 2.1 complaint and supports features such as Variable Refresh Rate (VRR), Auto Low-Latency Mode (ALLM), and Consumer Electronics Control (CEC). It is backwards compatible with HDMI 2.0 (and lower) devices. The 8K Video Switch features three options for selecting the source device. Automatic mode detects and selects the most recently activated source device or it will revert to the last active source device. Manual mode selects the desired port, using the push buttons, or with the included remote control (batteries not included). The remote control can enable or disable the automatic switching mode and it can disable the IR functionality. Use the included USB wall charger and 2.5ft (78cm) USB Micro-B to power the unit. If a wall outlet is unavailable, the 8K Switch can be powered through a 5V 1A USB port as well. The included mounting kit and rubber feet enable versatile installation options. The metal housing enhances durability, making it suitable for installation and use in a variety of environments. This product is backed for 2-years by StarTech.com, including free 24/5 multi-lingual technical assistance.