Effective control indoors or out. Kills Norway rats, roof rats and house mice. For use within 50 ft in and around agricultural, port or terminals buildings or inside of transport vehicles (ships, trains and aircraft) only. Pests may consume a lethal dose in one single night's feeding with first dead rodents appearing 2 or 3 days after feeding begins. Stop feed action causes rodents to cease feeding after consuming a toxic dose. Effective against anti-coagulant-resistant mice and rats. Contains 88 pellet packs. Contains the active ingredient bromethalin (CAS #63333-35-7).