Multi-Code 3089 MCS308911 1-channel Visor Gate & Garage Door Transmitter by Linear

Multi-Code 3089 MCS308911 1-channel Visor Gate & Garage Door Transmitter by Linear 

The Linear 308911 1-Channel Visor Gate and Garage Door Transmitter has a portable and streamlined design that fits perfectly in your hand. It is a single channel, one-button device that will send a signal to the receiver when the button is pressed. You have the peace of mind knowing that you can choose between 1,024 codes set by DIP switches for the ultimate in security. It is compatible with all Multi-Code receivers and transmitters and features a long-life 9-volt battery and operates at a frequency of 300 MHz