Safety:ISO9001,CE,UL,CUL,FCC,CSA,TUV,Rohs,CCC. 25mm small mini dc fan apply for loptop with high quality and competitive price SD2510 DC Cooling fan have pass the CE,UL,CUL,FCC,TUV,ISO9001 and Rohs. Our product have high quality and quality and competitive price, high speed and low noise Size: 25*25*10mm Voltage(v):3v 5v 12v 24v Bearing type: sleeve, balls 25mm 5v 12v small mini dc fan