1. DC 5.5mm x 2.1mm power plug connector. Ideal replacement for your old and damaged DC connectors.
  2. Wiring diagram: PIN1 side is positive, PIN1 side is positive. Suitable for the cable up to 6mm, if your cable is too thin, just use some sleeve to hold it properly to avoid the movement.
  3. Simple to operate and easy to do without a professional. Simply insert the cable into the sleeve, solder the bare wire and plug together, then twist and lock into place
  4. DC 5.5x2.1mm power plug is made of high quality PVC flame retardant plastic with good electrical conductivity and corrosion resistance.
  5. Widely used in CCTV security cameras and lighting power adapter cables, media players, MP3 MP4 players, audio-video equipment, AV equipment, laptop computers, car stereos and so on.