The 333LM LiftMaster three button visor remote control is used for open, close, stop operators that uses the 9 dip switches to program the remote. Programming is simple just match the switches to receiver or match the remote to a working remote and your ready to go. This 333LM includes a visor clip, battery and programming instructions. This is a original LiftMaster made product with a one year warranty.
When you match the model number 333LM on your old remote the new 333LM will be the right replacement remote.
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