PRM Switching Rugged IP66 Ceiling Surface Mounted Microwave Presence DetectorThe CP Moisture Proof Microwave Presence Detector is an advanced, rugged, and low profile solution for automatic lighting, heating, and ventilation control. Designed for ceiling mounted applications, this microwave presence detector uses highly sensitive microwave technology to detect movement by measuring the reflection of low power microwave signals. Optimized for long distance detection, it is ideal for environments where robust, moisture resistant