5015 blower cooling fan:

Voltage : 5V or 12V or 24V. 

Speed :  4500~5500RPM.

Noise :   31.74to 36.42dBA.

Weight :  29g. Brand name is superfan.

Model No. HB5015S/B5/12/24 L/M/H.

Power:  0.6~1.5W.

Weight : 29g. 

Type bearing: sleeve or ball bearing .

Frame and Impeller : Thermal Plastic , UL 94V-0
Lead Wires : UL Type( + ) : Red ( - ) : Black
Operation Temperature : -10 70^oC  35% 85%RH
Storage Temperature : -40 80^oC  35% 85%RH