This Champion Sports Deluxe Electric Inflating Air Pump is the perfect for ball inflation. Professional designs and ultra quite. This deluxe air pump features a whisper quiet 1/4 HP diaphragm compressor that delivers up to 50 PSI. It is powered by an 8ft three prong 20 volt electric power cord and an on/off switch. Helpful features include a pressure gauge, needle, and hose. The Deluxe Electric Inflating Pump is UL listed for product safety and certification and is backed by a manufacturers two-year guarantee.