[Fan ] : FFB0412SHN [Appearance size] : 40x40x28mm [Rated voltage] : DC12V [Voltage range] : DC7.0V-13.6V [Input ] : 0.60 A [Rated speed] : 8700 r.p.m [Temperature range] : -10-70 °C [Expected life] : L10 life expectancy 50000 hours at 25 °C [Bearing structure ] : Maintenance-free double ball bearing [ direction]: The wind is discharged from the bracket, and it rotates counterclockwise facing the rotor [ volume] : 43CFM [Motor protection ] : Overload protection, wrong-level protection and locked-rotor current-lock protection [Small wind pressure ] : 110 Pa [Noise Specifications] : 40 dB(A) [Function description] : Electronic commutation outer rotor DC fan, complete electronic commutation components Colour: black Material: fiberglass plastic+PBT+PA Package Contents: 1 x Cooler Fan Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.