Product details: Size: 180X180X60mm Power supply: 12V/24V/48V Bearing Type: Ball Bearing Material: Plastic Blade/impeller, Aluminum Alloy Frame Motor: Copper Motor Current: 1.2~3A Air Pressure: 14.5~24(H2O) Noise: 50~68DB(A) 18060 DC Weight: 1032g Power: 24~57.6W Air Volume: 450~600CFM 18060 DC Speed: 2000~3000RPM Certification: CE,ISO9001;2008 After-sales Service Provided: No overseas service provided