Steinel DT Quattro COM1-24 Dual-Technology Ceiling Presence Detector

The Steinel DT Quattro COM1-24 is a low-voltage commercial ceiling-mount presence detector that uses both Passive Infrared (PIR) and 40 kHz ultrasonic dual technologies to control indoor lighting and building automation systems. Core Purpose & Use Cases • Lighting and Load Control: Automatically switches lights ON or OFF based on human presence and ambient daylight levels. • Commercial Spaces: Ideal for classrooms, conference rooms, private offices, open-plan workspaces, restrooms, and storage areas. • Line-of-Sight Coverage: Combines PIR (great for direct motion tracking) and ultrasonic (great for volumetric, non-line-of-sight detection around partitions or