[Large air 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<br><br>[Fan Model]:FFB0412SHN [Rated voltage]:DC12V [Voltage range]:DC7.0V-13.6V [Input Power]:0.60 A [Rated speed]:8700 r.p.m [Temperature range]:-10℃-70℃ [Expected life]:L10 life expectancy 50000 hours at 25℃ [Bearing structure]:Maintenance-free double ball bearing [Rotation direction]:The wind is discharged from the bracket, and it rotates counterclockwise facing the rotor Note:Due to different production batches, the appearance is different, which does not affect the use. Quantity:2Pcs Colour:Black Material:PBT+PA+glass fiber Size:40x40x28mm<br><br>Package Contents: 2 * Cooler Fan<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.