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Bosch ISC-BDL2-WP12G Blue Line TriTech Motion Detector$31.28
The Blue Line Gen2 TriTech Motion Detectors (ISC-BDL2) use a combination of passive infrared (PIR) and microwave detection technologies with advanced signal processing. These pet-immune models generate alarms for human intruders without generating false alarms for pets. These small unobtrusive detectors are simple to install and do not need field adjustments.