Features: new and high quality The shell of this BNC connector is made of galvanized alloy. The inner core is copper, and the white medium is polytetrafluoroethylene. Manufactured connectors ensure long-lasting quality. Our BNC coupler is suitable for CCTV safety cameras. The extension cable is used to connect security cameras, video surveillance equipment, and CCTV cameras. This BNC adapter can interconnect two devices with a BNC male interfaces, providing coupling between two cable with a BNC female connector, in case you need to extend the length of the BNC cable, and can be used to connect two male BNC plugs or as a socket converter. It is an economical and efficient solution that can achieve fast combinations by simply screwing two connectors together, without the need for welding or crimping. With their screw on design, these BNC connectors offer a hassle free installation process without the need for welding or crimping. Get your surveillance system running quickly. Specifications: Material:Metal Impedance: 50/75ohms Transmission power: 260W Size:Approx.3.17x0.76cm/1.25x0.3inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 10Pcs BNC Connectors