Smarthome SELECT 59501 Hidden IR Repeater Kit with Surface Mount Sensor Use an existing IR remote control to operate hidden audio video components Allows IR signals to pass through solid doors or walls, line-of-sight to the components is not required Four dual emitters allow for remote control of up to eight devices Confirmation LED built-in to the IR receiver acknowledges receipt of IR commands This product is not compatible with Scientific Atlanta cable boxes or AT&T U-Verse, Verizon FIOS, DISH and Direct TV