DC MX DC Plug Male Connector is a 2.1mmDC power plug to 2 pin screw terminal adapter / converter.These power adapters are typically used to connect the power input of an IP or CCTV security camera to a power cable pair, such as 18/2 power cable.The 2.1mm female end conveniently connects to security cameras that have a standard 2.1mm male input. We're here to help! Call Us Today! call - 8507986079