General Information:[1]Excellent performance and impeccable quality for dc cooling fan.[2]Dimension: 170 x 150 x 51mm / 6.69" x 5.91" x 2.01" (L*W*H)[3]Voltage: AC 220-240V; Rated Current: 0.22A[4]Bearing Type: Dual Ball; Speed (R.P.M.): 2600 R.P.M. (+ / - 10%).[5]Higher air flow to enhance cooling performance.