Guardline is the #1 Most RELIABLE Outdoor Motion Sensor in America
The Guardline wireless driveway alarm alerts you the moment the outdoor sensor detects motion from people, vehicles or large animals.
✔ Plug-and-play device, installs in minutes. Intuitive and easy to read instruction manual.
✔ Set includes one sensor/one receiver. Expandable up to 16 sensors and unlimited receivers for complete coverage of your property.
✔ Detects motion in up to 4 different zones, and up to 4 sensors per zone.
✔ Sensor runs on (4) AA batteries for up to one year. Low battery indicator included.
✔ Receiver can be plugged in using included AC adaptor. Can also run on (4) AAA batteries as backup in case of power outage.
✔ Sensor can detect motion up to 40 ft away.
✔ Receiver includes a 12-volt relay to add wired external alarms, chimes or bells.
✔ Over 250,000+ customers since 2001.
✔ Two decades of rigorous real-world testing.
✔ Match different chimes with different sensors around your property to differentiate where motion is being detected.
✔ LOUD & adjustable volume.
> Delivery truck arrives > Neighbor walks up > Intruder approaches > Teenager comes home