Specification: Features:_x000D__x000D_With 5.1 channel and audio hi-fi different structural design. Have multiple functional options. _x000D_DIP and SMT are available for installation. _x000D_Stereo headphone socket, terminal adopts elastic structure design to ensure good and stable contact and long service life. _x000D_Great item for small electronics projects and CCTV applications. _x000D_Connector Size: 2.1mm x 5.5mm (Internal Diameter x External Diameter). _x000D_Perfect for making a cable to a desired length or replacing a broken connector. _x000D__x000D_Specification:_x000D_Item Type: DC Power Plug _x000D_Material: ABS _x000D_Item Color: As Pictures Shown _x000D_Internal Diameter: 5.5 mm_x000D_External Diameter: 2.1 mm_x000D_Item Size: Approx. 4.4 * 1 * 1 cm / 1.7 * 0.4 * 0.4 inch _x000D_Package Weight: Approx. 9 g _x000D__x000D_Package Include:_x000D_5 * DC Power Plug (2.1mm x 5.5mm) Features: 1With 5.1 channel and audio hi-fi different structural design. Have multiple functional options 2DIP and SMT are available for installation 3Stereo headphone socket, terminal adopts elastic structure design to ensure good and stable contact and long service life 4Great item for small electronics projects and CCTV applications 5Connector Size: 2.1mm x 5.5mm (Internal Diameter x External Diameter) PackageList: