About this item

The Mighty Mule FM231 Wireless Driveway Alarm alerts you when a guest enters your driveway. This safety alarm uses reliable electromagnetic vehicle detection to sense when a vehicle is passing through your driveway. With electromagnetic technology, the wireless driveway alarm avoids false alarms from an animal or person. With an extensive reception range of 400 ft., this easy-to-install alarm adds security and convenience to your property. Electromagnetic technology that detects and alerts vehicle(s) moving within a 3-12 ft. radius of the sensor Easy DIY (do it yourself) installation for your property Instantly alerts you when someone pulls into or out of your driveway Safety alarm features a sensitivity adjustment to adjust to your comfort Additional indoor receivers can be added to the Mighty Mule wireless driveway alarm (Part No. FM231-R) Low battery indicator on both the indoor receiver and transmitter Wireless driveway alarm requires 2 AA batteries (not included) Backed by a 12 month Mighty Mule warranty.