"Advanced Aerosol Mosquito Killer has a breakthrough formula with the Fastest Dual Knockdown. It contains SumiOne, the most active anti-mosquito chemical with extremely fast knockdown against various insects, and Imiprothrin for boosted action against larger insects. It is odorless so there are none of the irritating scents after spraying. - Help us fight insects and dengue-carrying mosquitoes. - Odorless, so there is no irritating scent after spraying. - Contains the most active anti-mosquito chemical with extremely fast knockdown against Mosquitoes."