This Coleman 4D Battery QuickPump Electric Air Pump is convenient and easy to use. Keep it handy for quickly inflating and deflating an air mattress. This Coleman electric air pump also works well with various other recreational inflatable items. With a lightweight design and a compact size, it is highly portable and easy to carry around. It can be stored efficiently when not in use. This compact air pump is compatible with all Coleman air mattresses and a wide variety of valves. It is safe for both indoor and outdoor use. The side valve can be used for inflating, while the top one can be easily used for deflating. An adapter is included that allows for compatibility with double lock and Boston valves. Keep it handy for camping trips or for making a sleeping space at home for a guest. This Coleman 4D Battery QuickPump Electric Air Pump runs on four D-cell batteries, which are sold separately.