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LiftMaster LM21XPBB Extended Performance Release Device, Internal Battery Backup System, UL 864 Revision Compliant

Brand: LiftMaster
ADI #:O2-LM21XPBB Model #: LM21XPBB  Name: LiftMaster LM21XPBB Extended Performance Release Device, Internal Battery Backup System, UL 864 Revision Compliant
  • Internal Battery Backup system.
  • Trouble and alarm relays for communication with the fire alarm control panel.
  • UL 864 Revision 9 compliant.
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