Three DC 5.5 x 2.1 mm male-to-male connectors for CCTV surveillance male-to-male coupler adapters.

Name: DC Power Plug. Type: 5.5 x 2.1 mm Male-to-Male Plug. Function: Allows you to connect a DC extension cord to an existing power source without cutting or splicing wires. Easy installation. Widely used in small household appliances, electronic products, automotive parts, etc., such as: media players, MP3/MP4 players, AV equipment, laptops, mobile phones, smartphones, car audio systems, etc. Package Contents: 3 x 5.5 x 2.1 mm DC Power Plugs (Male-to-Male).