- Colorado Springs, Colorado, United States
- US $99.95
- Jan 30th
(Part 376) This item is a used, C & K Systems (8120S), dual technology, motion detector. Dual Tec motion sensors combine microwave and passive infrared (PIR) technologies to provide maximum catch performance, while virtually eliminating false alarms. Sensors in the 8120S are designed for industrial and commercial applications - this unit is equipped with the INFORMER(tm) circuit, which constantly monitors the performance of both the microwave and PIR technologies.