Product Overview The SensorWorx SWX-222-2 is a line-voltage dual-technology 360° ceiling occupancy sensor designed for commercial lighting control applications requiring reliable large-motion detection. Combining digital passive infrared (PIR) and passive acoustic sensing technologies, this ceiling-mounted sensor directly switches lighting loads without requiring a separate power pack. Operating on 120–277VAC, it is ideal for private offices, conference rooms, break rooms, copy rooms, vestibules, walk-in closets, and other commercial interior spaces requiring dependable occupancy-based lighting automation. Key Features & Design Functionality: Dual-technology 360° ceiling occupancy sensor utilizing digital passive infrared (PIR) and passive acoustic detection to automatically control commercial lighting loads without requiring a separate power pack. Installation context: Ideal for private offices, conference rooms, break rooms, copy rooms, vestibules, walk-in closets, and other commercial interior spaces requiring reliable occupancy-based lighting control. Compatible with ceiling surface mounting, 3.5-inch octagon boxes, and mud rings with 2.75-inch spaced ears. Notable specifications: Brand: SensorWorx; MPN: SWX-222-2; Operating Voltage: 120–277VAC; Detection Technology: Digital PIR + Passive Acoustic; Coverage Pattern: 360° Large Motion; Coverage Area: Approx. 2,000 sq. ft.; Load Rating: 800W @ 120VAC, 1200W @ 277VAC; Mounting Height: 8–15 ft.; Time Delay: Adjustable 30 seconds–30 minutes; Dimming Capacity: 50mA (-D Option); Dimensions: 4.00 in. Diameter × 1.25 in. Height; Weight: 4.75 oz; Color: White or Black. Contractor-relevant details: Electronically timed switching is designed for LED fixture control and directly switches lighting loads without an external power pack, simplifying installation. Features field-changeable lenses, adjustable time delays, convenient test mode, optional daylight harvesting and photocell functionality, UL Listed construction, supports ASHRAE 90.1, IECC, and Title 24 energy code requirements, and is backed by a 5-year limited warranty Performance / Benefits The SWX-222-2 delivers dependable occupancy-based lighting control for commercial environments by combining PIR and passive acoustic sensing technologies to improve detection accuracy and occupant comfort. Its approximately 2,000 sq. ft. 360° coverage pattern helps provide reliable performance in medium-sized commercial spaces, while direct line-voltage switching simplifies installation and supports long-term energy savings. Optional daylight harvesting and photocell functions further enhance lighting efficiency in applications where natural daylight is available.