Ever drive away from home and suddenly wonder, Did I close the garage door? This was me. After too many times finding the ...

For 1997-Current (Liftmaster Sears Chamberlain Craftsman Master Mechanic & Wayne Dalton) garage door openers with safety sensor option 2 Door Kit - Includes 2 safety sensors (with attached wires ...

This one in particular goes hand in hand with a door sensor, adding an extra layer of protection to your home's windows and doors.

A wireless keypad is also included with Posilock anti-theft protection ... also comes with a safety beam sensor that sends an invisible beam across the garage door opening, automatically reversing ...