Product Overview The Blue Line Gen2 TriTech Motion Detectors (ISCBDL2) use a combination of passive infrared (PIR) and microwave Doppler radar detection with advanced signal processing. The pet friendly ( WP) 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. Main Features Passive Infrared (PIR) and Microwave Detection Technologies Maximum Motion Sensing Distance: 40' Power Source: 9-15V DC / 12 Volt Battery Height: 4.1" Width: 2.4" Depth: 1.7" Improved Resistance to Sabotage 10.525 GHz Frequency
