Stop carrying around multiple transmitters. The G6T2 keychain transmitter allows you to operate up to two different garage doors from one remote. This keychain-style transmitter enhances security by allowing you to clip it onto your keys so it is not left in the car. Its small, compact size allows for convenience enabling you to carry it around in your pocket or purse. Includes a Long-life Lithium battery and a 1-year warranty. Add this convenience to your garage door operating systems.