This additional sensor is compatible with the Original Guardline Wireless Driveway Alarm. Please note that this sensor is NOT compatible with the Guardline 1/4 mile range driveway alarm. You must acquire the 1/4 range sensing unit to work with the 1/4 variety driveway alarm.
- Bonus sensor suitable with the original Driveway Alarm by Guardline.This sensor will
- NOT deal with the Guardline 1/4 variety driveway alarm. The 1/4 mile extra sensor should be acquired to work with the 1/4 mile range driveway alarm.A total of 16 sensing units can be contributed to the driveway alarm set, offering complete protection of your property.Lifetime Producer Guarantee