DC Brushless Fan(DC Fan,DC Axial Fan,DC Cooling Fan) : Model: TFS4010 Size: 40*40*10mm Voltage: DC, 5V, 12V, 24V Insulation resistance: More than 10m Ω between housing and plus end wire red color at 500V DC. Dielectric strength: No damage can be found 600v AC.2 secretary, between housing and plus end of lead wire. Material: Frame:UL94V-0 70% P.B.T.+30% F.R.P Impeller:UL94V-0 70% P.B.T.+30% F.R.P Bearing system: B----ball bearing or S----sleeve bearing Operating temperature:-10 to+70 Storage temperature:-40 to+70 Opreating voltage:rated voltage±15%. Dimension(mm)ModelVoltage(V DC)Current (AMP)Power(Watts)Speed (RPM)Air Flow(CFM/CMM)Pressure (mmH2O)Noise (dBA)Weight(g)40x40x10TFS4010L12V0.070.8450003.671.9822.4315TFS4010M12V0.080.9660004.652.7327.2315TFS4010H12V0.091.0870005.463.5531.8315TFS4010L12V0.061.4450003.671.9822.4315TFS4010M12V0.071.6860004.652.7327.2315TFS4010H12V0.092.1670005.463.5531.8315