2pcs Garage Door Remotes for Marantec Harrison Martin M3-2312 Digital 382，315MHz
Fully compatible with the M3-2314 and M3-3313 remotes, it also works with all 315MHz garage door openers manufactured by Marantec, including the M-4500, M-4700, Q-7500, Q-7700, Q-7900, M-Line and Q-Line models.