This slim, compact dispenser with a variety of features and functions will meet your odor elimination needs. The metered air dispenser is automatic and wall-mounted. This easy-to-use, versatile dispenser runs on two C batteries (alkaline recommended) and provides reliable, consistent sprays. The unit has a time set switch located inside the dispenser housing, allowing you to adjust the frequency of sprays by intervals of 7.5, 15 if 30 minutes. The dispenser can be set up to 24-hour operation, or night- or day-only modes.