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ACCESSORIES
41A5281
377LM
Extension Brackets:
(Optional) For safety reversing
sensor installation onto the wall or
floor.
Keyless Entry with Security✚
®
:
Enables end user to operate door
operator from outside by entering a
password on a specially designed
keyboard. Also can add a temporary
password for visitors or service
persons. This temporary password
can be limited to a programmable
number of hours or entries.
EverCharge™ StandBy Power System:
Provides backup power to the model
3900 door operator.
475LM
480LM
41A6102
380LM Remote Work Light:
Enables homeowner to turn on a
work light from their car with their
door operator remote or from
anywhere in their home with an
additional LiftMaster Security✚
®
remote.
Alternate Mounting Kit:
This kit allows the operator to be mounted
below the torsion bar in the case where
the torsion bar is not round or the normal
mounting area is obstructed.
Power Door Lock:
Enables the end user to prevent the door
from being manually opened once closed.