3.5-Inch LED Case Cooling Fan w/3 to 4-Pin Connector 3.25-Inch (80mm) case cooling fan / Four (4) blue LED lights / Built-in temperature sensor for speed control 3-pin connector / 3-pin to 4-pin converter / Low noise and ripple 12 V power output / 0.14 A power input / Acts as an exhaust or blower 4-pin pass-through power connector (9-inch cable length from 4-pin to fan, approximate)