Was $33.50 SAVE $12.40 Now! $21.20 Single Button (RB741) — New smaller single button transmitter is standard as the transmitter that is included with all GTO Gate Operators. The single button controls the gate operator and has adjustable code settings and has visor clip for your vehicle. Also available are 2 and 3 button models. You can also get a garage door adaptor so you can control your garage door and/or multiple gates with one transmitter.