*Professional quality Dual Ball Bearing fan,Certified by UL 

*You not have to pay extra for screws to attach the fan

*Package include: 2 PCS 5010 Silent fan include mounting screws

Specification:
Model: DFB501012L
Size: 50x50x10mm or 1.97x1.97x0.39 inches 
Speed: 4000 RPM
Current: 0.06 A
Power: 0.72 W
Air Flow: 0.227 (m3/min)   8(CFM)
Static Pressure: 21(Pa)    0.084(Inch-H2O)
Noise: 25(dB-A)
Weight: 21 g

General Specification
Rating Voltage: 12 VDC
Voltage Range: 5.0~13.2 VDC
Operating Temperature: -10°C～70°C
Expected Life: 70,000 Hours @ 40°C

Material:
Housing: Plastic(Black) UL94V-0
Impeller:  Plastic(Black) UL94V-0
Bearing: Ball Bearing
Lead Wire: UL1007 AWG26 +:Red, -:Black
Cable Length: 20cm Or 8 inches
Connecter: 2 Pin