DC power plug with 5.5 Outer x 2.1mm Inner pin. Most commonly used for CCTV applications. Solder terminations and screw-on plastic covers to prevent cable strain.
2.1mm DC Power Solder End Connection For CCTV Cable
5.5 Outer x 2.1mm Inner pin Nickel End Solder Termination
Please ensure your device takes 5.5 outer diameter and 2.1mm inner pin as there are varying sizes of DC plug.