Eradicate mice infestations quickly and safely. This powerful formula uses a unique active ingredient to eliminate mice within 24 hours. The tamper-resistant design protects children and pets, ensuring safe use in your home. Effective against up to 100 mice, for indoor use only. Contains Alphachloralose. Keep your place rat-free with Rentokil Fast Action Mouse Killer. Comes in a large, pre-baited, transparent station that’s simple to use and easy to clean. Ready to go straight out of the box, it features a secure, tamper-resistant design that doesn’t need to be opened, making it safer for homes with children and pets. It kills mice within 24 hours, with each unit capable of eliminating up to 50 mice. Just place it where you’ve noticed activity.