Specifications:

• Name: 5.5mmx2.1mm to 4.0mmx1.7mm DC Adapter
• Model Number: 4.0mm x 1.7mm DC Power Plug Jack Connector
• Feature4: 4.0x1.7mm Male to 5.5x2.1mm Female DC Power Connector
• Feature3: DC Power Plug Jack
• Feature2: This item can be used for the power connector
• Feature1: DC Adapter Barrel Plug Connector for W
• Connector B: DC 4.0x1.7mm Male Plug
• Connector A: DC 5.5x2.1mm Female Jack