About this item 2.5mm 10 ft cable. If the rear camera cable coming with your dash cam kit is too short, this backup camera extension cord is a great accessory for dash cam mirror cam backup camera, helping you to complete the installation successfully. Choose the appropriate rear view camera extension wire with 3 connector types: 4 Pin male to female, 5 Pin male to female, and 2.5mm end male to female. Each type of dash cam extension cable is available in different lengths: 6.5ft, 10ft, and 16.5ft. This dash cam extension wire features a thick pure copper core with a diameter of 3.5mm. After extending the backup camera cable, voltage drop and image issues may occur, such as stripes or flickering. Our extender cable is thicker, providing better stability compared to thinner alternatives. The 2.5mm Male to Female extension cord is universal for 4pin and 5pin rear cameras of dash cam and mirror cam. Dimensions: 7.52 x 5.83 x 0.63 inches.