Specifications: Size: 120 * 120 * 38mm Working Voltage: AC110V-120V Current:0.14/0.21A Frequency: 50/60 (Hz) Power: 30.8/22 (W) Speed:2600/3000（RPM） Air flow:77/92（CFM） Pressure:6.6/7.5（mmH2O） Noise: 45/47 (dBA) Weight: 550 (g) Certification: CE ROSH SGS CCC ISO9001 Packing: Each one with one white box or As The customers’ requirement Material: Frame:: Aluminum Alloy with plastic-spraying/P.B.T Impeller: Plastic P.B.T. Coil:Enamelled copper wire Motor: Shade Pole Induction Motor Bear type: Ball bearing/Sleeve bearing Lead Type:Wire Lead /Terminal Performance: Insulation Resistance:10MΩ at 500VDC between lead and frame Operation Temperature:-20°C~80°C Dielectric Strength:1 min at 1500vac/50-60Hz,Current＜5mA Operation Humidity:20%~85% Use of life:Ball bearing 50,000 hours and Sleeve bearing 20,000 hours (at 25°C)