WIDELY USEDGreat for projects that requires cooling or ventilation; Ideal replacement for noisy or broken fans in smart battery charger, psu, video card, network and storage devices, etc DC Axial Fan 2.36 x 2.36 x 0.79 in. (60 x 60 x 25 mm) 12V DC Current: 0.2 A Power: 1.7 W Airflow: 28.05 CFM Noise: 35.8 dBA Speed: 5000 RPM ±10% Brushless Motor Dual ball bearings have a lifespan of 50,000 hours and allows the fans to be laid flat or stand upright 2-Pin Connector Operating Voltage: 7 to 13.5V; Please make sure that the positive and negative poles of the fan are connected correctly (Red wire: "+", Black: "-") 1-year WarrantyIncludes a 60mm x 20mm 2-pin fan, one 60mm metal protective fan grill, and mounting screw set