Liftmaster 372LM dual button remote,
315 mhz, security plus visor style remote
for use on units with Purple learn button
Dimensions: 3 x 1.75 x .5 inches
Liftmaster 372Lm Transmitter
Two Button 315 Mhz New style security.
Plus Visor Style Remote with Clip and battery for use with purple learn button on receiver.
372LM Programming Instructions (click here)