Unlimited Possibilities...Unreal Realism...Unmatched Results! Your Hardwire System can be expanded to accept additional units, or you can even build your own from scratch!! Simply start out with the base wire unit and add whichever motion item you wish. The Hardwire Pulsator 2 has a new heavy-duty bilge pump and an included flexible pipe insert controls how much and how high your water sprays. Simply plug the unit into your Hardwire system and drop it in the water. Add multiple units to your spread and watch your decoys come to life. All hardwire add-on units include an inline timer, cord and cord weight.