The Ringer motion decoy adds effective and ultra-realistic water motion to any decoy spread. The simplicity and ease of use makes The Ringer a no-brainer when adding motion to your decoys. Attach a weighted decoy line to this duck butt decoy, press the on button, and watch your spread come to life. The design of this decoy provides virtually silent operation, while sending major ripples across your spread. Creates lifelike water movement to attract ducks 10 hour run time on 4 AA batteries (not included) Quivering decoy motion Mimics live ducks