Name: DC male (female) power plug (wire) Specifications: outer diameter 5.5mm, inner diameter 2.1mm (needle). Material: internal full copper connection and external high temperature resistant nylon black glue (locking screws do not require soldering) Purpose: 12-24V centralized power supply, suitable for power supply back of all types of camera gun power supplies, LED light displays and light bar power supplies. This power connector is shaped using abrasive tools from high precision so that its appearance is not distorted or distorted, and it is the size of an international standard power interface. The terminals are equipped with screws and the cable entry is equipped with elastic metal cards. The screws are tightened and the spring clips are tightened. The contact performance is excellent, and arc sparks caused by poor contact are avoided. Note: The data are manual measurements, please allow an error of 1-3cm, depending on Due to differences between light and screen, there will be a certain color difference, the specific received in kind shall prevail.