LiftMaster's 041D0277-1 from Action Industries is a garage door transformer replacement kit. The 041D0277-1 kit designed for various WiFi Battery Back up Belt Drive Garage Door Openers manufactured by LiftMaster after 2011. Check the manual for your specific model number before ordering to ensure compatibility.
LiftMaster 041D0277-1 Transformer Replacement Kit
For LiftMaster WiFi Battery Backup Belt Drive Garage Door Openers
Compatible LiftMaster models include: WLED, 8550W, 8550WLB, 85503-267, 8580WLB, 85503-267, 85503, 8160WB, 87802, 87504-267