Product Name : Cooling Fan;Rated Voltage : DC 24V;Rated Current : 0.10A;Bearing Type : Sleeve BearingSpeed : 5000RPM;Air Flow : 4.85CFm;Air Pressure : 2.52 mm-H2O;Noise : 20 External Material : Plastic;Color : Black;Mount Hole Diameter : 4mm /0.16"Mount Hole Distance(Center to Center) : 31mm / 1.2";Connector : 2 Pins IDE Power Connector;Size : 4 x 4 x 1.0cm / 1.6" x 1.6" x 0.4" (L*W*H)Cable Length : 9cm / 4";Net Weight : 15g2 Pins IDE Power Connector cooling fan for computer CPU, Chipset Cooling Fan, other radiator, etc. Improve the air flow.Package Content : 1 x Cooling FanNote:Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.