The Mighty Mule 150 ft. Gate Opening Sensor (FM141) allows a vehicle to drive past the sensor's 12 ft. electromagnetic field that will open your gate automatically, allowing guests the ability to exit without the use of a remote . Compatible with all Mighty Mule automatic gate openers, this gate opening sensor can detect cars, trucks, ATVs, tractors, and motorcycles. This 150 ft. Vehicle Exinting Sensor is recommended to be installed between 3 and 150 ft. of the gate openers control box.

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