Help in the prevention of behavioural problems caused by stress or anxiety in adult cats (urine marking, scratching furniture and other objects, excessive agitation, licking, and vocalisation) help in controlling and reducing the level of stress in situations difficult to cats of all ages (separation of a kitten from its mother, change of environment, visit to the vet, stay in a cat hotel, travel, arrival of a new family member, separation anxiety, thunderstorms, fireworks explosions, etc.) The collar is suitable for cats of all ages, including kittens.