Product name:DC Brushless 2507 Smallest Motor Ceiling Fan;Size:25*25*07MM;Application:3D Printer;Current Amp:0.1A;Static pressure:4.16mmH2O;Noise level:30dB-A;Weight:5g;Connection:Lead wires;Bearing type:Ball &Sleeve;Function:RD,FG,PWM;Type:Axial Flow Fa