This great LiftMaster 63LM compatible unit from Linear is compatible with older Liftmaster, Chamberlain, and Sears Craftsman garage door or gate openers that use remotes that have 8 or 9 dips switches for programming that were made between 1984 and 1992.
This unit can control upto 3 different Lift Master, Chamberlain, or Sears Craftsman openers (all must use the same dip switch technology). For added level of security the unit does not have physical dip switches, all you'll need to do is program the settings into the unit using the buttons on the remote.
-390 MHz frequency gate or garage door remote transmitter
-3-channel remote control transmitter, allows you to control up to 3 different garage door or automatic gate openers
-Use with Lift Master, Sears, or Chamberlain openers with 8 or 9 dip switches
-Also compatible with TrueGuard, Crawford, or Master Mechanic garage door openers
-Includes visor clip and programming instructions.
-Includes heavy dutybattery and built-in LED light to indicate battery strength.
-Dimensions 1/2" x 3" x 1 5/8"
-1 year manufacturer warranty