The Bosch DS160 Series Detector is specifically designed for Request-to-exit (REX) applications and is designed to detect motion in the coverage area and signals an access control system or door control device. With features such as timers, door monitor with sounder alert, and pointable coverage, the DS160 have the flexibility to meet the most stringent REX requirements. The exclusive Sequential Logic Input (SLI) provides added security that is not offered in any other REX device.