Complete do-it-yourself product. Contains insecticide to kill cockroaches, fleas, spiders, silverfish, carpet beetles and ants fast. Contains Insect Growth Regulator (IGR) to kill flea eggs and break the breeding cycle. IGR prevents flea infestations for up to 3 months. Locking tab releases the entire can contents as a fine mist that kills existing infestations where they hide. Special formulation containing fenoxycarb also kills flea eggs and prevents reinfestation for up to 3 months by breaking the flea breeding cycle. Room can be re-entered 2 hours after treatment. No unpleasant residual odour.