B&D 2 button transmitters are very compact and small enough to fit into your pocket. Two buttons means you have one button for your door opener, and a spare button for an additional garage door or gate opener or to use one of the additional functions offered by Controll-A-Door openers such as pet mode, vacaction mode, etc
This product is out of stock, you could purchase CAD617, it works exactly the same.
CAD617 will be sent to you if you order CAD616.
This one is upgraded to CAD617.