The Blue Line Gen2 TriTech Motion Detectors (ISC-BDL2) use a combination of passive infrared (PIR) and microwave detection technologies with advanced signal processing. The pet-friendly (-WP) models generatealarms for human intruders without generating false alarms for pets. These small unobtrusive detectors are simple to install and do not need field adjustments. Also known as -Blue Line Gen2 TriTech Motion Detector-Bosch Blue Line Gen2 TriTech Motion Detector - IrDA - 40 ft Operating Range-Bosch Security ISC-BDL2-W12G
