Dimensions:50 × 50 × 28mmModel : DV05028B12UBearing Type :Dual BallLife:10 .0000 hours ( at 25 °, 45 ~ 85% relative humidity )Speed :Does not support gunElectric current1.65A( Violent fans )Rated voltage:12VOrigin:TaiwanInterface:Standard 2-pin motherboard connectorFeatureMaintenance- double ball bearing , long life, With sufficient cooling air volume and pressure