Infrared Resources 10ft two Eye IR Emitter and Emitter Covers w/Confirmation for XBOX ONE,Repeaters etc. The visible emitter eye blinks red when emitter eye transmits the Ir signal. Plugs into IR OUT ports only. NOT for CABLE BOXES or IR IN ports Strain relief for maximum flexibility. Made with CL3 rated material for in wall install State of the art surface mounted LED. Emitter size is 1/2 x3/8x1/4 in tall 23 Experience Manufacturing And Supplying The Cable And Hotel Industry