This motion sensor alarm keeps you protected and informed in so many useful ways! Listed below are a few of the practical, unique, and bizarre ways our customers have been using their Guardline Security Alarms... ✅ Property Security: Know exactly when someone has stepped on your property or near your vehicle. ✅ Driveway Alarm: Whether it’s a pizza delivery, school bus, visitor, or loved one arriving home late at night, our customers LOVE being notified when someone is driving down their driveway