LiftMaster Model 8550WL Garage Door Opener
LiftMaster Model 8550WL Garage Door Opener Series: Elite Drive: Belt Motor Warranty: Lifetime Parts Warranty: 5 Years DC Battery Backup Belt Drive Wi-Fi® Garage Door Opener Secure Auto Lock Capable – Deadbolt locks the garage door, making it virtually impenetrable (2 max, sold separately). Time-to-close – Can be programmed to close the door after a set amount of time. Security+ 2.0® – Safeguards garage access by sending a new code with every click. Posilock® – Electronically protects against forced openings. Alert-2-Close – signals when a door is being closed by MyQ®. Motion Detector – Lights the way automatically. The Protector System® – Invisible light beam auto-reverses the door if there is an obstruction. Quiet and Reliable Belt Drive System – For powerful, ultra-quiet performance Soft Start/Stop – For smooth operation DC Motor – Is purposefully designed for quiet, long-lasting service. Battery Backup – Ensures garage access even when the power goes out.