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garage door sensor

Safety Reversing Sensor, a.k.a. Photo-electric Sensors/Photo Eyes/Light Sensor

Located near bottom of vertical track, infra-red sensors reverse garage door when light beam becomes interrupted.  This safety feature prevents  the door from closing on vehicles, objects, or persons.

garage door keypad closed
garage door keypad open


Opens and closes garage door via programmed code.

liftmaster chain-driven garage door opener

Garage Door Opener(LiftMaster, Chain Driven), a.k.a 'Motorhead'

Motorized device that opens garage door. 

'Chain Driven' - type of opener that uses a chain driven by an electric motor.

garage door chain
garage door chain


Chain attached between opener carriage and opener/motorhead.  (See above photo/description)

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