Features:1. Higher air flow to enhance cooling performance.2. Economic solution for perfect performance.Specifications:Dimension: 150 x 150 x 50mm / 5.91 x 5.91 x 1.97 inch(L*W*H) Mounting Hole Distance: 122 x 122 mmVoltage: AC 220-240VRated Current: 0.22AInput (Watt): 38WSpeed (R.P.M.): 2600 R.P.M. (+ / - 10%)Air Flow : 5.27m³ /minFan Noise Level (dB-A): 55 dB-ABearing Type: Dual BallAvailable Color: BlackWeight:743g