Power Shaker Motion Decoy ComboRogers Sporting Goods unique Power Shaker Motion Decoy Combo comes with 1 (one) Mallard Drake Surface Feeder and 1 (one) Mallard Hen Surface Feeder. SpecsA ROGERS EXCLUSIVE Foam filled decoyPatent Pending design Shaker module Authentic preening motion fools the wariest of fowl Creates wake in spread that ultimately makes adjacent decoys move as well Power Shaker will save the hunt on no wind days Makes your entire decoy spread come alivePowered with (4) AA batteries (not included) for up to 10 hours run timeAvian - X Mallard Drake and Hen Power Shaker Motion Decoy Combo | Power Shaker Mallard Drake & Hen Combo