Direct burial Gate Opening Sensor (also referred to as a Probe or Wand). Wires directly to the Gate Opener Control Box and senses mass metal in motion. This unit is recommended for use on the inside of the property for free exit by automobile without having to push a button. It comes with a 150 foot cable that should be trenched and placed next to your drive and buried no more than 12 inches deep. Its 15 foot magnetic field will detect vehicles (cars, trucks, ATV's, motorcycles, etc.) as they cross over the buried sensor, and will automatically open the gate as the vehicle exits. Click for Price @ Sears.com
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