33LM Liftmaster 3-button Garage Door Opener Remote

33LM LiftMaster 3-Button Garage Door Remote

The LiftMaster 33LM is a 3-button garage door opener remote with 9-position trinary DIP switches. It is used mainly with commercial openers and the LiftMaster 423LM radio receiver so the buttons can open, close, and stop the operator. It can also replace the discontinued LiftMaster 63LM remote.

This item has been discontinued and is no longer available from the manufacturer.

Features

• LiftMaster 3-button remote
• 9-position trinary DIP switches
• Compatible with 423LM 3-channel and 412LM 1-channel radio receivers
• 390 MHz
• Replacement for the 63LM remote
• Green / yellow / red buttons (open / close / stop on a 423LM)
• Battery, visor clip, and programming instructions included