SWITCH-STYLE TRANSMITTERS > To Control Something You Can Not See or Hear   Master Transmitter - Large Frame This Master transmitter turns "On" or "Off" one or more Lightning receivers as a group. It is also ideal for controlling lights that you can’t see.  It is slightly harder to push but sends a stronger signal (therefore increasing the range) compared to the standard-range transmitter. Typical range is 60-75 feet. Colours: White, Light Almond, Ivory $ 42.99               More Information Master Transmitter - Small Frame Transmitter “Turns On” or “Turns Off” a Lightning Receiver ... or 2+ Receivers as a group... or one or more Receivers that you can’t see. It is slightly harder to push but sends a stronger signal (therefore increasing the range) compared to the standard-range transmitter. Typical range is 60-75 feet. This battery-less Transmitter sends "On" or "Off" commands, depending on which button is pushed. The buttons move together, but the Transmitter knows where you put your finger! Transmitter $ 41.99               More Information