Infrared Resources 25ft Single eye Emitter Cable for Xbox One, Repeater kits etc The visible emitter eye blinks red when emitter eye transmits the Ir signal. State of the art surface mounted LED. Emitter size is 1/2 x3/8x1/4 in tall Strain relief for maximum flexibility. CL3 Rated Material/in wall install Plugs into IR OUT ports only. NOT for CABLE BOXES or IR IN ports 23 Years Experience Manufacturing And Supplying The Cable And Hotel Industry