Williams AV IR SY1 Small Area Infrared System 1 KitThe IR SY1 Small Area Infrared System 1 Kit from Williams Sound includes an IR T1 small area infrared transmitter, a TPF 055 power supply, a WCA 106 6' micro USB cable, a WIR RX22 4N infrared receiver, a STD 008 flat panel TV mounting bracket, HED 021 folding headphones, and BAT 001 2 AA alkaline batteries. This IR SY1 kit can be used for a small area assistive listening system or for private TV listening in small conference rooms, hospital rooms,