Descriptions:Great item for small electronics projects and CCTV applications.Connector Size - 5.5mm x 2.1mm Male to 5.5mm x 2.5mm Female.Male to Female DC Converter, easier for camera installation.Perfect for making a cable to a desired length or replacing a broken connector. Features:Size: 42 x 12.5mm / 1.65" x 0.49"(L*D)Color: Black, YellowConnector Type: 5.5mm x 2.1mm Male to 5.5mm x 2.5mm Female Package Contents: 2Pcs x DC Connector