Features: With 5.1 channel and audio hi-fi different structural design. Have multiple functional options. DIP and SMT are available for installation. Stereo headphone socket, terminal adopts elastic structure design to ensure good and stable contact and long service life. Great item for small electronics projects and CCTV applications. Connector Size: 1.3mm x 3.5mm (Internal Diameter x External Diameter). Perfect for making a cable to a desired length or replacing a broken connector. Specification:Item Type: DC Power Plug Material: ABS Item Color: As Pictures Shown Internal Diameter: 1.3mmmmExternal Diameter: 3.5mmItem Size: Approx. 4.4 * 1 * 1 cm / 1.7 * 0.4 * 0.4 inch Package Weight: Approx. 9 g Package Include:5 * DC Power Plug (1.3mm x 3.5mm)