Dimensions: 97 × 94 × 33mmBearing Type: Dual BallModel; BA1003B12GWinds fan the amount of current 4.50ARated voltage: DC12VOrigin: TaiwanSpeed: SupportsInterface; 4-wire(Supports PWM intelligent function, automatic speed control board)51.9CFM windPressure: 88.4 mmh2oNoise level: 65.6dB highestWiring :( red positive, black negative): These two connected can be used.Life: 10.0000 hours (25 °, 45 to 85% relative humidity)Features maintenance- double ball bearing, long life, with sufficient cooling air flow and air pressure.