The effective PetSafe Innotek Ssscat Cat Spray Deterrent Motion Activated Repellent System Kit offers about 120 sprays per can. This motion-activated spray will automatically keep your pet away from furniture, counters, or areas of your home. When your pet comes near this spray, they will feel a swift burst of harmless but shocking spray, reminding them to stay away. It has an adjustable spray nozzle that can detect and stop your pet up to three feet away.