This HDMI (High Definition Multimedia Interface) coupler keystone jack is designed to work with most standard keystone wall plates. You do not need to install an independent wall plate just for HDMI. Simply snap in to stardard walllate with RJ45 or any other A/V connectors. With the iMBAPrice lifetime warranty and connectivity solutions, all our customers and installers never go wrong. Works great with recessed gangway to connect hdmi cable. Compatible with standard keystone wall plates.