M-128 Wireless 2 button wireless wall box for upto two door openers. Open your garage from inside your home with this wireless open/close push button.
Compatible with Merlin receivers that use 433MHz (Green button remotes).

For Use With: “FM Freq.”
Current 230T & 430R that uses green button remotes Post July 2001
M832, M842, M844, M430R & M230T
Incompatible with the old blue button Merlin motors

Programming: To program press the learn button on your garage openers receiver and then press the desired button twice. Refer to your opener’s instructions for more details.