100% DE-STRESS FORMULA: We can provide comfort in your home. Our calming diffuser refill & plug in is one of the best anti-stress products for small & large dog. That helps to reduce seperation anxiety in dogs. A solutions to decrease fighting between cats and allow them to live in harmony DRUG-FREE: The diffuser emits a copy of the harmony marker pheromone. This allows dogs to feel at ease and maintain a harmonious connection with one another. CORRECTION PROBLEMATIC BEHAVIOR: Effective for 90% of dogs, to reduce fighting, scratching, urine marking, hiding, firework anxiety and other behavior among dogs, puppies, para, perros in the household. HOW TO USE: The dap defuser starter kit covers an area of up to 700 square feet for 30 days of use. After that, you need to replace the oil refill. Plugin upright into a wall outlet with vents facing up and never into power strips. Unsafe use can cause the diffuser's increase odor or leak. FIRST EFFECT: the best calmer, keep the canine diffuser connected for at least 7 days at all times. Better than collar, vest, spray, chews treats, tabl, pills.