[ Fan Model ]: EFB0405LD-ROO[ Dimensions ] : 40×40×20mm[ Rated voltage ]: DC5V[ Voltage Range ]: DC3.5V-5.6V[ Input Power ]: 0.16A ( nominal current )[ Rated speed ]: 5300 r.p.m[ Temperature Range ]: -10 .. 70 ° C[ Life expectancy ]: 25 ° C when the life expectancy of 40,000 hours L10[ Bearings] : Maintenance- double ball bearing[ Rotation] : air discharged from the stent , in the face of the rotor counterclockwise rotation[ Wiring ] : + Red - Black signal: Cyan[ Maximum amount of wind ]: 12.0 m3 / h[ Motor Protection ] : Wrong level protection and stall protection locks flow[ Minimum pressure ]: 0 .. 55 Pa[ Noise Index ]: 20.0 dB (A)[ Material Material ] : Glass fiber reinced plastic , PBT housing , PA blade[ Function Description ] : E external rotor DC fans, complete electronic commutation components[ Certification ] : it can provide CE certificationFeatures : Maintenance- double ball bearing , long service life , with plenty of cooling air volume and pressure .Application: chassis cooling , power supply fan transmation, water cooling auxiliary , switching power supply cooling, high reliability server application places