No one wants to use their own lung power to inflate an air mattress or a pool floatie, and thanks to this Stansport Portable Air Pump, you don t have to! It quickly inflates and deflates the largest of inflatables while conveniently plugging into any 12V cigarette lighter plug. Three adapters are included so you can switch between different inflatable valves and a power cord switch easily turns it on and off. Product Features Quickly inflates air beds and all types of inflatable's Inflates and deflates larger inflatable's 12 volt cigarette lighter plug On/Off switch on cord 3 adapters to fit most recreational inflatable's 4.12" L x 3" W x 3.12" H