LiftMaster Motion Detector (Microwave) | LIF-50-HERK2 10-8014 The heavy-duty access relay can

The heavy-duty access relay can control electric door strikes

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the first remote control "teaches" the second one the correct code

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LiftMaster Motion Detector (Microwave) | LIF-50-HERK2 10-8014 The heavy-duty access relay canLiftMaster Motion Detector (Microwave) LIF 50 HERK2 The 50 HERK2 is an advanced planar microwave motion sensor designed for commercial doors and gates. The sensor can differentiate between people and vehicles. Its two relay can be programmed independently for a multitude of applications. Additional features include cross traffic optimization and slow motion detection. Features Detects vehicle movement toward or away from the door. Differentiates