1) Specifications: 120 x 120 x 38mm 2) Voltage: 110V/220V, speed:2650, frequency: 50/60 3) Could supply: blade, bracket 4) Temperature: -20°C-----+60°C, humidity: 90-95% 5) Certificate:ISO9001,TUV,CSA,CE 6) Quality: excellent (two-year warranty) 7) Product:Fan Motor.