450W Powerful Blower: Our air blower is equipped with a 450W 4.2A super motor, providing strong impetus and saving more energy. Horsepower: 1.25HP. Input Voltage: 110V-120V AC/60Hz. Outlet Diameter: 4.1 in/10.5 cm. The air volume is 450 m³/h, so you can fill the inflatable that you need quickly without effort. Secure Protection Design: This bounce house blower is excellent for any inflatable with a high-security design. It is made of high-quality PP plastic, fireproof and anti-static. The switch has a transparent hood layer, making it secure for you to turn on/off if water is present. Besides, there are two plastic meshes covering 2 vents to help your hands avoid getting cut. Compact & Portable: The top of this inflatable blower features an easy-grip handle design, making it easy for carrying and transportation. Net Weight: 7.7 lbs/3.5 kg. Size: 13.8 x 8.5 x 14.6 in. The relatively compact size and lightweight trait mean our air blower won’t occupy too much space, so It's convenient to store when not in use.