LiftMaster LM21XPBB Extended Performance Release Device, Internal Battery Backup System, UL 864 Revision 9 Compliant

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