Odor Assassin Industrial Quality Dispensing Cabinet with Light Sensor. Automatic dispenser is durable and can be set to run continually or only when the lights are on. Use in store restrooms to freshen air and eliminate odors. Spray interval can be set for 5, 15, or 30 minutes making it easy to adjust for just the right amount of odor control. Features an empty can reminder, low battery monitor with indicator light and is easily wall mounted. Use one dispenser for every 4000-6000 cubic feet. Powered with two D batteries - not included. Can use any Odor Assassin refill spray scent.