Features: The best suitable for advertising balloons promotional activities and balloon decoration and festive scene layout. The inflation rate is fast, simple and flexible operation, switch control inflation. The appearance of lightweight, portable design. This balloon inflator is commonly used in some activities/festive/party/celebration/decoration. Material: ABS Input voltage: 110V-120V Power: 600W Size: 20*13*16CM Air volume 18.3CFM (520 L/min) Noise Level: ≤90db Package Include: 1 x Balloon Air Pump 1 x User Manual Operating Steps: --Pinch two sides of mouth of balloon with your fingers --Cover balloon pump inflation port with balloon --Inflate balloon by pushing inflation port down --Release inflation port when balloon size is suitable.