LiftMaster Garage Door Openers 373LM Three Button Remote Control Transmitter
Brand: LiftMaster
Color: Black
373LM for Purple learn button
Works for model from years 2006-2014
1345/1355, 1356, 3220, 3255,3240,
3265, 3270, 3280, 3800, 3500,
3585, 3595, 3850,