This is 3.5mm x 1.35mm male to male DC adapter power supply cable.
The 3.5 x 1.35mm jack power cable can be easily connect devices that require male to male plug.
The size of DC plug is 3.5mm x 1.35mm, the outer diameter is 3.5mm, and the inner diameter is 1.35mm.
The length of cable is about 1 ft, black color.
This 3.5 x 1.35 mm male to male DC power cord is widely used in IP camera, CCTV surveillance security camera, LED strip, DVR, router, invoice printer, low voltage application equipments etc.