This is our 450 Watts Blower, which is designed for medium to large bounce houses. The power rating of this blower is 450 watts. This blower is great for other construction applications as well such as drying wet carpet, blowing off sidewalks, or cleaning up leaves in the yard! Bullet Point: Safe Design： Electric air blower has a clear cover on the switch, which is safe enough for you to turn on/off in case it gets wet. There are 2 wire meshes covering on 2 vents, which can protect our hands from getting cut when on working status. Our portable air blower pump uses a particular built-in bearing, which performs better than other plastic ones; the air blower pump engine runs more smoothly. Compact & Portable: This high pressure air blower pump with a handle on the top is easy and convenient to transport or carry; The small size of this electric pump blower will take less space on your room, which is portable operation by one person independently. Wide Usage: With strong and efficient 480 watts motor, 11.5cm (outside) air outlet diameter, quickly filling and greatly air flowing, this air blower pump fan works well with outdoor bounce houses, water slides, obstacle courses, air sofas and other suitable inflatable bouncers. Silent Mode: This air blower pump uses high-quality metal impellers, which greatly reduces its noise in operation; This air blower bump will bring your life a double advantage; This impeller and built-in bearing will greatly reduce noise spreading; While getting rid of the loud sound, this material of impeller will not increase the weight. Easy Operation: This air blower pump is ergonomic and anti-slip. The input voltage is 240V AC/50HZ 4.2A. This air blower pump has 2.5m length power cord, easy-handhold grip design, which make it convenient to inflate products and be a time saver for any occasion. Features: Particular built-in bearing, superior performance High quality metal impeller reduces noise during operation strong and efficient 450 watts motor for fast filling 11.5cm (outside) air outlet diameter for air flowing With a handle on the top is easy and convenient to transport or carry The cover on the switch is safe enough for you to turn on/off in case it gets wet Suitable for use with water slides, air sofas and other suitable inflatable trampolines Specifications: Material: PP +Iron Air outlet diameter:11.5cm (outside) Input: 240V AC / 50HZ 4.2A Power: 0.64 horsepower Wattage: 450W Power cord length: 2.5m Package Includes: 1 x Air Blower 1 x Instruction Manual