Brighton Professional metered air fragrance dispenser operates around the clock to keep your office smelling fresh Deliver a long-lasting fresh scent for your home or office with this metered air fragrance dispenser. With available presets for 7.5-, 15- or 30-minute spray intervals, it lets you decide what's the right amount of fragrance for your environment, and LED alerts let you know when it's time for a refill. This Brighton Professional metered air fragrance dispenser has a magnetic lock to keep it safe and secure. Air freshener dispenser. Adjustable spray intervals of 7.5, 15 or 30 minutes. Set for 24-hour operation, or night or day only modes. Low refill and battery indicators. Uses two C batteries (not included). Lockable dispenser. Dimensions: W 3.4" (8.6 cm) x H 8.5" (21.7cm) x D 3.5" (9cm). Can be used with most 7 oz refills. 1/pack.