Waterbury Country Vet Compact Air Freshening Kit is an automatic odor control safe to use anywhere in the home. The concentrated scents deliver twice the fragrance of ordinary air fresheners and lasts up to 45 days. Programmable to spray every 15, 30, or 45 minutes. Operates on (2) "C" cell batteries(not included). Kit comes with (1) 2 oz cinnamon fragrance. 2 oz Country Vet Compact Air Freshening Refills sold separately. Available in four scents, Mango, Country Garden, Clean n Fresh or Cinnamon.