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Wireless Driveway Alert
Keep track of vehicles entering or exiting your property with the Mighty Mule wireless driveway alert. When a vehicle passes the sensor, the receiver emits an audible tone and lets you know someone's there. The wireless driveway alert features an electromagnetic sensor that only senses large metal objects, avoiding false signals due to animals or children. The wireless driveway alert sensor detects vehicles up to 12 ft. away. Easy installation with included mounting stake and hardware. Indoor receiver can be mounted on a table or wall. Transmitter requires two "AA" batteries (not included). Imported.