Battery powered fully submersible pump. No more searching for a cup or fussing with a hand pump. Turn it on and drop it into the box. Empties a water filled vault box in less than 5 minutes. Runs on 3 “D” cell batteries (not included).Please Note: This item CANNOT ship to P.O. Boxes, APO, or FPO Addresses. It CAN ONLY ship to a Street Address.