Liftmaster 971LM remote works on Lift Master Security formatted 390 MHz garage door or automatic gate openers that have a RED or ORANGE learn button
Remote Control 390mhz For Liftmaster 971lm 972lm 973lm 974lm Garage Door Gate Opener - Door Remote Control - AliExpress
For Liftmaster 971lm 973lm 972lm Remote Control Garage Door Opener 390mhz Liftmaster Remote Control Red Or Orange Learn Button - Door Remote Control - AliExpress