First Alert RF Wireless Driveway / Intruder Alert for $29.00 shipped. Here is a screenshot for reference. It comes with a sensor that detects movement and features transmission of up to 300-ft, flashing LED indicator, and more.
First Alert RF Wireless Driveway / Intruder Alert for $29.00 shipped. Here is a screenshot for reference. It comes with a sensor that detects movement and features transmission of up to 300-ft, flashing LED indicator, and more.