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Performs as described. Easy set up. Relay operates when beam is obstructed with anything. Used it in my garage to operate an LED when the car windshield blocks the beam, indicating when to stop forward motion. When the garage door is closed, another relay turns off the LED. It works flawlessly.
Verified purchase: Yes | Condition: New
reliable performance
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New