Package included: 1 Piece fan include fan grill and mounting screws & nuts Dimensions: 92mm(L) x 92mm(W) x 25mm(H) / 3.62in(L) x 3.62in(W) x 0.98in(H) Rated Voltage: DC 12V; Rated Current: 0.12Amp; Rated Speed: 2000 RPM; Air flow: 43CFM; Noise: 27dBA Bearing Type: Sleeve Bearing; Life: working up to 35000h at 25 degrees. Connector: XH2.54-2Pin; Lead wire: UL Type (+): Red wire; (-): Black wire. This is a two wire cooling fan.