Key ring remote transmitters are small and convenient with the ability to operate up to three doors or gates from the one unit. A must have for every set of keys in the house.

Compatible with Merlin garage door openers with Security+2.0 technology- CyclonePro MT120EVOPS, OverDrive MRC950EVO, PowerAce MT60EVO, QuietDrive MR650EVO, SilentDrive MR850EVO, WhisperDrive MT3850EVO, Tiltmaster MT100EVO.

Frequency: 433.30 / 433.92 / 434.54Mhz AM
Encryption: Security+ 2.0