The PerfectSense line of Ceiling Mount Sensors have the widest application range of all sensors. Typical applications include: Classrooms, Cafeterias, Conference Rooms, Copy Rooms, Hallways, Offices (small and large), Open Areas, Parking Garages, Restrooms, Stairwells, Storage Rooms, Vending Areas, Warehouse's, Workout Facility. They are available in both single and dual technology models with regular and low (-40°) temperature options.