Specifications: ●Material: Zinc Alloy + Plastic ●Size: 3.6 X 1.4 X 1.2 (L*W*H) Internal Diameter: 2.1 mm Diameter Outside: 5.5 mm ●Weight: 5.6 g ●Colors: Green + Black + Silver ●Package Include: DC Male Plug Connector X 30 Pieces Phillips Screwdriver X 1 Piece Note: ●Using current does not exceed 2 amps for appropriate. Advantage: ●Good transmission quality, energy saving, high reliability and cost saving. ●Best choice for short line equipment, no power required. ●Support power supply for RGB LED strips, DC connection using CCTV camera accessories. ●The connector is very easy to install, saving your time. ●Internal Diameter: 2.1 mm. Outside Diameter: 5.5 mm.