1. Product Name: DC 5.5 x 2.1mm to DC 4.0x1.7mm Power Adapter.
2. Connector A: DC 5.5mm X 2.1mm male; Connector B: DC 4.0mmx1.7mm female.
3 Voltage: 12-24V;
4.Purpose: Used to convert 5.5x2.1mm interface power to 4.0x1.7mm power charging connector for charging your devices.
5.Made of high quality material, durable. Small size, easy to use.
6.Application: suitable for solar panels, laptops, tablets, CCTV surveillance cameras, led lights, routers, mini fans, cable modems, hubs, photo players, e-dogs, access control and so on.
7.Package quantity: 4xDC 5.5x2.1mm male to DC 4.0x1.7mm female adapter