This item is a replacement circuit board for SECURITY + Low Profile Screw Drive Openers made between 1997 and present
Replaces board models 41A5389-1, 41A5389-1C, 41A5389-1D
Please call 866-901-1600 to check on compatibility with models from Wayne Dalton, Liftmaster, Chamberlain, Sears, Craftsman, Master Mechanic
IMPORTANT: PROTECT YOUR INVESTMENT - Liftmaster/Chamberlain 990LM can protect your garage door opener components, such as circuit board, safety sensors and wall console from power surges that happen during lightning storms.