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The Mier DA051 Driveway Probe Sensor detects moving metal. When a car, truck or other metal object passes by the probe, a signal is transmitted to the Mier DA500CP control box which triggers a whistle sound to alert you of the visitor. The sensitivity of the probe is adjustable at the control box, as well as the length of time that the whistle will sound.
We carry a wide range of accessories to expand your drive sensor system. Have porch lights come on or other chimes sound when visitors arrive. Please visit our driveway sensors Accessories page. The Mier driveway alarm system is an ideal security tool for both personal and business properties. As well, it is the perfect solution for drive-up window businesses!
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