Liftmaster 371LM Single Button Remote

Chamberlain Liftmaster 371LM Single Button Radio Transmitter **Important** PLEASE CHECK YOUR OPENER'S RECEIVER OR LEARN BUTTON COLOR BEFORE ORDERING If your garage door opener has a Purple Learn Button, it utilizes Security+ 315Mhz technology(uses the 371LM). You will see a ((())) symbol on all of your remote devices. 1-Button Remote Control with Security+� 315Mhz Anti-Burglary Technology With every push of the button, you get a brand-new code, one of over 100-billion codes, never to be repeated Directional visor clip included 5-year 3 volt lithium battery included 315 MHZ If your garage door opener has a Purple Learn Button, it utilizes Security+ 315Mhz technology. You will see a ((())) symbol on all of your remote devices. We have 15 years experience working on these products in the field. Please contact us if we can be of any assistance!