Descriptions:Great item for small electronics projects and CCTV applications.Connector Size - 5.5mm x 2.5mm Male to 5.5mm x 2.1mm 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: 45mm x 12.5mm / 1.77" x 0.49" (L*D)Color: Black, BlueConnector Type: 4.5mm x 3.0mm Male to 5.5mm x 2.1mm Female Package Contents: 1Pcs x DC Connector