Liftmaster 87504 replacement 85503 DC Battery Belt Drive WIFI Garage Door Opener
LIFTMASTER 87504-267. 3/4 HP BELT DRIVE WI-FI GARAGE DOOR OPENER. NEW ELITE 12V DC BATTERY BACKUP BELT DRIVE. 485LM Backup Battery. Battery Backup ensures garage access when the power is out. Elite 12V DC Battery Back up Belt Drive.