18mm threaded cylinder flush mounting for flat installation, with overal length only 42mm, excellent options for space limited areas and highly flexible. Long distance detection with aid of reflectors, visible red light source, still easy to install and debug by single turn potentiometer. 360° visible bright LED indicators, to clearly display operational status, highly convenient. CE certified, good EMC operation perfomance, brilliant solutions for highligt or reflective scenarios. Plastic, metal universal housing in supply.