Wireless Door Chime: Mighty Mule FM231 Wireless Driveway Alarm

Mighty Mule FM231 Wireless Driveway Alarm Reviews

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Mighty Mule FM231 Wireless Driveway Alarm Feature

The outdoor electromagnetic sensor only detects vehicles; no false alarms due to animals, children, etc.
Easy-to-install Electromagnetic Sensor Wand is buried next to your driveway, and detects mass metal moving within a 3-12 ft. radius of the wand.
When a vehicle passes by the sensor, an outdoor transmitter communicates wirelessly to an internal base station up to 400 ft. away and sounds a pleasant chime
Ideal for home and business
Requires 2 AA batteries (not included)

Wireless Driveway Alarm (FM231) This device alerts you of vehicles entering your driveway with or without an automated gate. With a wireless range of up to 400 feet (121.9 m) the indoor base station signals you with a door chime when a vehicle passes the driveway sensor. Animals and people will not activate the driveway alert. Requires two AA batteries (not included).