Sprays a fine mist every 15 minutes. Covers 5,000 cubic ft for 30 days. EPA registered for use in animal areas, bathrooms, kitchens and any other enclosed areas. Features a superior motor with self-lubricating gears, a patented drive-stall mechanism and positive nozzle alignment. Operates on 2 "C" cell RAYOVAC® batteries (not included). Fragrances (sold separately) last up to 30 days. Works with CV air fresheners or metered fly sprays.