The High Bay Passive Infrared (PIR) Occupancy Sensors for Wet Locations consist of a sensor and a lens module. These components are designed to work as a convenient system. Occupancy sensors are designed for automatic lighting control in warehouses and other medium and high bay wet location applications. Different models offer a choice of coverage patterns for a range of applications. IP65 rated and UL244A and UL508 for use in wet indoor and outdoor locations. Easy mounting using extender module mounting accessory. Line voltage for direct connection to load. Low voltage units require power packs. Compatible with all program start ballasts. Multi-cell, multi-tier, 360° Fresnel lenses. Lenses sealed and gasketed. Lens choices for mounting between 20 and 40 ft. Polycarbonate, flame retardant, UV resistant, impact resistant. Recyclable. Qualifies for ARRA-funded public works projects.