Refillable rat and mouse bait station. Kills Norway rats, roof rats and house mice. They usually consume a lethal dose in a single night’s feeding, but it may take two or more days from time of bait consumption to die. Effective against anticoagulant-resistant mice and rats. For interior or exterior use. Contains: .01% Bromethalin. Packed 1 Refillable Tamper Resistant Bait Station with 1 oz. of Top Gun Bait and 3 oz. additional baits.