TRANSMITTERS > To Control Something You Can Not See or Hear   Master Transmitter - Long Range, Large Frame (Clearance - Ivory Only) Use this Transmitter when you want to turn on/off more than one receiver, or if the device to control is not visible or audible from the transmitter (ex. in another room). Master transmitters have separate "on" and "off" buttons. $ 38.99               More Information Master Transmitter - Long Range, Small Frame (Clearance - Ivory or Brown Only) Use this Transmitter when you want to turn on/off more than one receiver, or if the device to control is not visible or audible from the transmitter (ex. in another room) Master transmitters have separate "on" and "off" buttons. $ 37.99               More Information