![Guardline 500 Foot Long Range Driveway Wireless Alarm [1 Sensor] - Outdoor Weather Resistant Motion Sensor & Detector-Security Alert System - Monitor & Protect Outside Property](https://m.media-amazon.com/images/I/418SkRwFviL._SL500_.jpg "Guardline 500 Foot Long Range Driveway Wireless Alarm [1 Sensor] - Outdoor Weather Resistant Motion Sensor & Detector-Security Alert System - Monitor & Protect Outside Property")
Product Review
This extra sensor is compatible with the Original Guardline Wireless Driveway Alarm system. Please note that this sensor is NOT compatible with the Guardline 1/4 mile range driveway alarm. You must purchase the 1/4 range sensor to work with the 1/4 range driveway alarm.
