Cooling Blower 1. Voltage: 12/24/48V 2. Current: 0.18 0.30A 3. Power: 2.4 5.8W 4. Speed: 2000 3000RPM 5. Air Flow: 5.91 10.3 6.Pressure: 3.43 8.89mmH2O 7. Noise: 26.36 38.5dB(A) 8. Bearing: Sleeve or ball bearing 9. Certficate: CE/UL/ROHS/CCC 10.Weight:80g