1608KL-01W-B59 NMB DC FAN 40*40*20mm ,Size(MM) 40*40*20,AC/DC DC,Voltage(V) 5,Operating Voltage(V) 4.5~5,Current(A) 0.38,Power(W) 1.9,Speed(RPM) 8500,Max Air Flow(m3 /min) 0.266,Max Air Flow(CFM) 9.5,Max Static Pressure(Pa) 69.2,Max Static Pressure(In H2O) 0.278,Noise(dB) 33,Weight(g) 25