Model : D05X-12TLDimensions : 50mm × 50mm × 10mmReference speed : about 3800Bearing Type : NBR BearingsLife: 40,000 hoursNoise Reference : 20 dbRated voltage : 12VRated voltage : 0.06AInterface Type: 2-wireSpeed Monitoring : UnsupportedFans line length : 20cmPackage Type : big box packaging industry , no single package