Operating Voltage Range:5.5V to 13.8V. (overtake to 13.8V, it can also work. but not safe, and seriously affects lifespan of fan.) The started Voltage is 3.6V.
Dimension of outer the frame is 120mm(L) x 120mm(W) x 25mm(H) / The size of fan in inch is 4.72in(L) x 4.72in(W) x 1in(H); The center to center distance beween the mountiong holes is 105mm/4.13in.
Connector: XH2.54-2Pin; Lead wire: UL Type (Positive): Red wire ; (Negative): Black wire. This is a two wire cooling fan; Bearing Type: Dual Ball Bearings ; Life: working up to 50000h at 25 degrees
Please verify the fan dimensions, voltage requirements, connector type, and any additional specifications prior to making a purchase.