Reliable, durable, state-of-the-art dispenser is easy to program with only three slide switches. Interval options of 5, 15 or 30 minutes for metered spray of 3000 or 9000 repetitions. "On Hours" options for day, night or 24-hour operation. Features change battery and change can warning lights. Operates two years on two D alkaline batteries !not incl.). Includes mounting hardware. Manufacturer's five-year warranty. Open system accepts dry deodorizer refills !sold separately). White. 3½w x 3½d x 9¼h.