AirMan 57-072-021 Mini Sport Battery Powered Air Inflator with 4 AAA Batteries Inflator is powered by 4 AAA batteries and is the perfect inflator for around the house Easily fill sports balls toys and even top off small bike tires Most convenient cordless inflator on the market LED light to aluminate your work area and a built in pressure gauge Includes compressor ball and bike adapters and a bike tire hose