3 Pcs DC Power Connector Female to Female 5.5x2.1mm, Female to Female Coupler Adapter for CCTV

Name: DC power connector. Type: 5.5 x 2.1 mm female to female. Function: Can be used to connect a DC power extension cable to an existing power supply without cutting or splicing wires. Easy to install. Material: Metal, plastic. Color: Silver tone, black. Widely used for small electronic devices and automotive parts, such as: media players, MP3/MP4 players, audio-video equipment, AV equipment, notebooks, mobile phones, smartphones, car audio systems, etc. Package includes: 3 x 5.5 x 2.1 mm female to female DC power connectors.