This IR Receiver Extender cable is a receiver device for use with infrared remote controls. It plugs into a source device or IR extender and serves as the IR sensor for remote control input. It is compatible with the HDMI extender wall plates from Monoprice, PIDs 8008 and 8201.The IR bulb measures about 23/32 wide by 1/2 high by 1 3/15 long. It has a cord about 55 long.*** 30-day easy returns. No restocking fee. Free lifetime technical support. 1 year warranty. ***