GDSTIME 40mm 12v cooling fan, 40mm x 20mm Brushless fan, Computer fan, 12v Dc fan, 40mm fan 4020 Package include: 1 piece fan include mounting screws & nuts. Rated Power: DC 12V 0.1Amp Bearing type:Sleeve Speed:5800RPM Air flow:8.3CFM Noise:22dBA Connecter:XH2.54-2P Cable Length:15cm Or 6 inches Size:40x40x20mm or 1.57x1.57x0.39inches