Features:1. Higher air flow to enhance cooling performance.2. Economic solution for perfect performance.Specifications:Dimension: 170 x 150 x 51mm / 6.69 x 5.91 x 2.01 inch(L*W*H)Mounting Hole Distance: 135 mmVoltage: DC 220-240VRated Current: 0.22AInput (Watt): 38WSpeed (R.P.M.): 2600 R.P.M. (+ / - 10%)Air Flow (Approxi.): 5.27m³/minFan Noise Level (dB-A): 55 dB-ABearing Type: Dual BallAvailable Color: BlackWeight:708g.