MOJO Outdoors Swimmer Mallard Duck Decoy BUILT FOR THE PLACES YOU FIND DUCKS: Swims well in trashy duck water FLAWLESS DESIGN: Pumps built to prevent clogging by using water just under the surface BRING INCREDIBLY REALISTIC MOTION TO YOUR SPREAD: Decoy body creates realistic "V" wave like an actual duck STAY IN THE BLIND ALL DAY LONG: Runs up to 8 hours on 6-volt rechargble battery EASY TO USE: Use approximately 4 ft. of decoy line and let it rip!