Etekcity 1x4 ports HDMI Splitter/Switch with DC power adapter Supports HDCP Ultra 4K and 2K HD Resolution, 1080P, Black Distributes 1 HDMI source to 4 HDMI Displays simultaneously Supports Digital Audio Format, such as High Definition Audio,Dolby TrueHD, and DTS-HD Master Audio Supports High Definition Resolutions:4K and 2K resolution support @ 24HZ, 1080p @ 60HZ, 720p/1080i @ 120Hz Supports HDMI1.3, HDCP, you can easy and quick to setup The length of DC power adapters line up to 1.5m,you can use it freely