Package include: 2pcs 80mm router cooler fan High quality 80mm USB Fan, speed 2600 + -10% RPM Rated voltage: DC 5V, Rated current: 0.27A Wind volume: 30CFMNoise: 26dBA Connector: USB Plug; Bearing Type: Hydraulic Bearing ; Life: working up to 40000h at 25 degrees. Dimension: 80mm(L) x 80mm(W) x 25mm(H) / 3.15 x 3.15 x 0.98 in. per fan