The mojo rippler will make ripples and waves throughout your spread, giving motion to otherwise dead decoys.It features a realistic mallard drake body and operates up to 6-8 hours on four aa batteries (not included).All moving parts and batteries are contained in an easily removable screw-lock housing.Type: Mallard DecoySpecies: Mallard DrakeMotor: Variable SpeedsColor: Multi ColorMaterial: PlasticBattery: AAAudible Or Motion: Motion