4mm x 1.35mm Male to 5.5mm x 2.1mm female socket DC Power Adapter Connector
Specification:


- DC Power adapter Cable 

- Male: 4mm (out side Diameter) x1.35 mm (inside Diameter)

- Female: 5.5x2.1 mm

- Color: Black


Package include:
2x  4.0x1.35mm Male Plug to 5.5x2.1mm Female Jack  
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