Features: It is convenient to charge all 12V devices, such as car refrigerator, car mp3, car traveling data recorder, etc, easily supports power source to you when travelling. Strong heavy duty socket is produced using durable material that ensures its high quality, durability and longevity. Fits into a standard automotive 12V port or "cigarette lighter port". With over-voltage, short circuit and other multiple for protection. Omni-directional for protection of power supply equipment and electrical equipment safety. The interface specification is 5.5x2.1mm, please confirm carefully before purchasing. Package Includes: 1x Cigarette lighter Power Supply Adapter Specifications: Material:Plastic Cable Length:Approx.120cm/47.24in Plug Length:Approx.9cm/3.54in Diameter:Approx.2.5cm/0.98in note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.