Size: 80mm * 80mm * 25mmBearing: double ballMean time between failures (MTTF): 100,000 hoursRated voltage: 12VWorking voltage: 8.5V ? 14.8VCurrent: 0.13ASpeed: 13500rpm ± 5%Does not support the speed, white line the signal alarm lineNoise: 12dB (A)Maximum air volume: 35.50M3 / HStatic pressure: 18.5PaProduct Type: 3110KL-04W-B19Product Interface: Standard motherboard 3P