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 B&D2B Slim, it works exactly the same.
B&D Slim will be sent to you if you order CAD616.
This one is upgraded to B&D slim2.