PIR sensor with retractable controls

摘要

A PIR (passive infrared) sensor comprising: a first enclosure; and a second enclosure with control actuators on an outer surface and telescopically engaged with the first enclosure; wherein the second 5 enclosure is free to move between a first position in which the controls are obscured by the first enclosure, and a second position in which the controls are not obscured by the first enclosure. 38 Fig. 1 Fig. 2