Liftmaster Chamberlain 45ACT 045ACT 1D7675 41D7675 Garage Door Openers MyQ
45ACT, 045ACT, 1D7675, 041D7675, 041D7656, 001D7675, 41D7675, 41D7656. This board is for use with various LiftMaster® and Chamberlain® AC chain or belt drive garage door openers; manufactured after 2011.