Primos Decoy Heart Pumps Realistic Motion into Predator Decoys Quality materials used for all primos products 100 percent designed and tested for the toughest situations and environments Whether you are a professional, recreational user, or even casual, primos will fit the mold for all types of people The Decoy Heart pumps realistic motion into your decoys Brings stationary decoys alive Easy to use hands free motion Three motion speeds for realistic action Water resistant design for use in all applications