Review on 🔒 Mighty Mule FM231-R: Black Interior Wireless Driveway Alarm Additional Base Station - Enhanced Security and Convenience by Jason Childs

Overall this is a great system. I have an alarm clock in my bedroom window which is on the side of the alarm clock (not opposite) about 100 feet away. The second alarm is in an exit window in the basement, also next to the antenna, about 50 feet from the transmitter. Both work great. We have a driveway 100 feet from a busy street and we didn't always know when someone was moving in. I installed the alarm above ground (not buried) about 40 feet off the road, so it might have something to do with random false alarms. Only reacts to large (car-sized) metal objects, so does not warn of bicycles, people, deer, dogs, etc.