Package include: 1 piece fan include mounting screws & nuts. Dimensions: 75mm(L) x 73mm(W) x 30mm(H) / 2.95'' x2.87''x1.18''(L*W*H) Rated Voltage: DC 12V; Rated Current: 0.26 Amp; Speed:3200RPM; Air flow:13 CFM; Noise: 38.15 dBA The wide of air inlet is 48mm / 1.9in The Length of outlet is 36.5mm / 1.44in ±0.3; The Wide of outlet is 25mm / 0.98in ±0.3 Connector:XH2.54-2Pin; Lead wire:UL Type (+): Red ; (-): Black. This is a two wire dc blower fan.