Crow's line of outdoor motion detectors covers every security application you'll ever have. CSB-60 Outdoor Microwave Frequency Detector CSB-200 Higher-range Outdoor Microwave Frequency Detector MRX-300 Outdoor Detector with Triple Technology Sensors D&D (Daredevil) Outdoor Dual Detector w/ pet immunity UL Click on any item below to find individual specifications and install instructions. Here are all the products in this category: • CSB 200 • CSB 60 • D&D PIR w/pet immunity • MRX 300