Battery Powered Pump Delivers Quick, Effortless Air Mattress Inflation Blow up your air mattresses and pool toys effortlessly with this battery-powered pump. This versatile pump includes three valve adapters that are attached to the unit so you can't lose them. The pump has an air intake and an outtake valve that inflates your mattresses easily and also quickly deflates them quickly and thoroughly. This pump runs on 4 D-cell batteries that are not included. Inflatables Pump eliminates the need for a plug-in compressor or air pump Comes with three nozzles to adapt to any air mattress or pool toy valve Nozzles are attached to unit to prevent losing them Easy on/off toggle switch Battery-powered using 4 D-cell batteries (sold separately) Durable, easy and fully portable option for inflating pool toys and air mattresses