Specifications:Product parameters:Size: 140*140*26mm,Air volume: 74.3CFM (MAX),Wind pressure: 2.0mm H2O (MAX),Speed: 1500RPM±10%,Noise?26.6DBA,Voltage: 12V,Current: 0.2A,Power interface: 4Pin PWMPackage Contents:Fan*1Fan screw*4,Plastic nail*4,Instructions for use/warranty card*1;