Keyring. One large button for primary use - small second button for secondary use.
Wall mounting bracket for key storage or wireless push button. Comes with coding instructions or see Merlin website for help Suits later model 430R & 230T
Programming Remotes: Locate the learn button on the opener. Press the learn button for 1-2 seconds (Until the light begins to flash.) Press and release the big button on the remote then press and release the small button on the remote. The light will stop flashing. Your remote is now coded in. The big button will operate the door, the small button will operate the light.