fan 1. Size:90*90*25mm 2. Bearing: ball or sleeve 3. Voltage : 220-240V/50HZ, 110-125V/60HZ 4. Current: 0.10-0.13 A 5. Power:16.3-24.0W 6. Speed:2000 RPM 7. AirFlow: 24.6-29.7CFM 8. Pressure: 1.30-1.90mmH2O 9. Noise: 21.7-26.3dB(A) 10. Weight: 238G 11. Special Function: Auto start , LED , Temp , control , anti-fire, waterproof .