PRM Switching Long Range IP40 Wall Back Box Mounted Microwave Presence DetectorThe PRM Switching Long Range IP40 Wall Back Box Mounted Microwave Presence Detector (model MWS1A PRM) is a highly sensitive, low profile presence detection sensor designed for long range detection and seamless integration into various environments. This microwave presence detector utilizes advanced microwave technology to control lighting, heating, or ventilation systems automatically. Its microwave signals detect motion by measuring the reflection of