Patent ID: 8742352

Claim:
An occupancy sensor comprising: a body being rectangular prism-shaped and including: a bottom enclosure; a human movement sensing component configured on the bottom enclosure of the body; a plurality of multi-position rotary switches configured on the bottom enclosure of the body, having a plurality of switching positions and being rotatable between the switching positions to adjust a function of the sensor; and a ring extending from the bottom enclosure of the body, enclosing the human movement sensing component and the multi-position rotary switches, and having: an outer enclosure; and a plurality of grooves respectively formed in the outer enclosure of the ring; and a lens cover attached to the body, covering the human movement sensing component, and including: an open end; and an annular sidewall extending from the open end of the lens cover and having: an inner enclosure; and a plurality of projections respectively extending from the inner enclosure of the annular sidewall to correspond to and engage the grooves of the ring of the body.