This circuit board is a replacement for NON SECURITY + screw drive openers with safety sensors built between 1993 and 1997
Please call 866-901-1600 to check compatibility with models from Wayne Dalton, Tru-Value, Sears, Liftmaster, Chamberlain, 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.