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The Mega Arm Tower/Mega Arm are high-traffic DC powered barrier gate operators with Battery Backup that keep traffic flowing and provide easy in and out access 24 hours a day.

All LiftMaster Openers, Operators, and Systems should be purchased through a Dealer and professionally installed.


  • Battery Backup safeguards your property by providing up to up to 900 cycles* when the power is down.
  • Breakaway Arm can be easily reinstalled if arm is hit, quickly restoring traffic control.
  • Continuous Duty DC Motor is powerful and features soft starting and stopping for quiet, efficient operation.
  • Heavy-Duty Drive System with Commercial Gearbox provides reliable, continuous operation.
  • Magnetic Limit Sensors have no moving parts and are designed for high-cycle applications, so there’s less wear and tear and you’re assured dependable operation day-in and day-out.
  • Sequenced Access Management provides control between barrier and slide/ swing gate operators to maximize traffic flow
  • K1 Relay provides output signals to activate other accessories or operators during open/close cycles
  • Security+ 2.0 Patented Multi-Frequency Secure Radio Technology virtually eliminates interference and gives you quick and secure access with enhanced range and performance.
  • Fire Department Compliant selectable settings allow gate to auto open upon loss of AC power or battery depletion.
  • Anti-Tailgate Feature prevents unauthorized access to your property.
  • Built-in Surge Suppression protects against high-voltage spikes and surges.

*Basic set up with remote controls programmed with a 12 ft. Barrier Arm. Does not include power draw from added accessories. LiftMaster low power draw accessories recommended to extend cycles on Battery Backup.

California Residents: Proposition 65 WARNING

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