Parameters:
Dimensions: 172x51mm
Connector: 2PIN//2 Wire
Bearing Type: Dual
Ball Bearing Rated Voltage: DC 12V/24V/48v
Weight: 750g/pc
Life: 50000hrs?
Package Include: (Will send the actual volts and model and your choice) 1set 172x51mm Fan All Fans would include grill and screws