Feliway friends helps minimize unfavourable behaviours and aggression in cats living in the same household it is known to prevent hissing growling spitting and fighting and creates a calming environment so that cats can live in harmony r r features r r r r the pack contains a plug in diffuser that you need to plug into an electric socket r r covers an approximate area of 50 70 sq m r r the product should be used until you notice changes in your cats behaviour