Liftmaster 041-0036 Replacement Security+ 2.0® Receiver Logic Board DC Chain. 050DCTBLKMC is a Bluetooth Enabled Receiver Logic Board, Lock Capable Replacement Kit. For use with various LiftMaster® and Chamberlain® WiFi® DC Chain Drive and Belt Drive Garage Door Openers; powered by myQ®. The unit will feature a yellow learn button. Check the owner's manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Also known as: 050DCTWFLK, 050DCTBLK
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