Product Details1.Voltage: AC 220V/240V; Rated Current: 0.10A2.Dimension: 92 x 92 x 25mm / 3.62" x 3.62" x 0.98" (L*W*H)3.Higher air flow to enhance cooling performance.4.Bearing Type: Dual Ball; Speed (R.P.M.): 2500 R.P.M. (+ / - 10%).5.Excellent performance and impeccable quality for dc cooling fan.