This 2.5mm dash cam rear camera extension cable is meticulously crafted with a premium oxygen-free pure copper shield core, which with a diameter of 3.5mm thick wire (most of the original rear camera cables are 2.8mm). Our 100% shielded backup camera extension cable is engineered to effectively block EMI/RFI interference, ensuring efficient power transmission and minimized signal loss, even over extended distances. This reverse camera adapter extension cable featuring a silver-plated plug that resists oxidation and corrosion, our mirror cam rear view camera extension cord ensures reliable, static-free performance over time. Our mirror cam rearview camera extension cable showcases unparalleled compatibility with a broad range of dashcams, connecting with both 4Pin&5Pin backup cameras.it enables you to extend your 4Pin camera by an impressive 100Ft, maintaining stability and reliability throughout. For 5Pin cameras, due to voltage drop considerations, it offers a extension of up to 45Ft, we recommend choosing the shortest cable length that meets your needs.Our rearview camera mirror camera extension cable choose from 5 lengths (5ft, 10ft, 15ft, 20ft, 25ft) to suit your installation needs. Keep in mind that shorter cable lengths tend to provide a more stable signal. To ensure optimal performance, we recommend selecting the length that best suits your specific requirements.Before permanently installing this 2.5mm rear view dashcam extension cable, please test the pure copper thicker shield reverse camera mirror camera extension cord with your camera system to ensure compatibility and optimal performance. This step is essential to avoid any issues with your backup camera's operationTest Before Installation: Before permanently installing this 2.5mm rear view dashcam extension cable, please test the pure copper thicker shield reverse camera mirror camera extension cord with your camera system to ensure compatibility and optimal performance.