Bosch DS150ITP160 Motion DetectorThe DS150i Series consists of the DS150i Detector (light gray) and the DS151i Detector (black). They are specifically designed for Request to exit (REX) applications. The DS150i and DS151i detect motion in their coverage area and signal an access control system or door control device. Built to secure busy entryways, these motion detectors integrate seamlessly with Bosch and third party access platforms to ensure reliable and efficient door operation