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Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
OEM-grade reliability for long-term performance
Long-Range Performance: Transmission range from 50 to 700 meters in open space for flexible installations
56-bit Smart
Digital Keypad (models 1815-051 and 1815-052) - Available in lighted and flush mount versions
LiftMaster 841LM Garage Door Lock arm-assembly OEM-grade reliability for long-term performanceDeadbolt Security Lock for LiftMaster Garage Door Openers The LiftMaster 841LM is an automatic garage door lock that enhances perimeter protection by reinforcing the door with a powerful deadbolt every time it closes. Designed for seamless integration with compatible LiftMaster openers, this lock engages and disengages in sync with the motorized cycle, creating a secure, tamper resistant barrier. When paired with two locks, it meets two point locking
