Use this harness to retain the factory reverse camera when adding an aftermarket radio or add an aftermarket camera to factory radio. Product Details: Does 1 of the 2: 1. Retains the factory back-up camera to an aftermarket radio 2. Allows an aftermarket camera to be added to the factory screen Use with aftermarket radio that has a backup camera input feature only- usually radio with video screen. Compatibility Notes: Only works with vehicles that came with no Factory Navigation. Very Important- If retaining the factory camera- OEM Factory Camera might use 6 volt power so a 12v to 6v step down volt unit is required and sold separately. New aftermarket radio must have backup camera input capability. Aftermarket camera will need the RCA video plug to work with this. Works with the following vehicles: Only works with vehicles that didn't come with Factory Navigation (NOTE 1) – Without 7-inch touchscreen radio (NOTE 2) – Without UVO radio; HYUNDAI: Elantra 2017 (See Note 1), Elantra 2014-2016, Santa Fe 2013-2016, Santa Fe Sport 2017 (See Note 1), Santa Fe Sport 2013-2016, Sonata 2015-2016, Tucson 2014-2017; KIA: Forte 2017 (See Note 1), Optima 2017 (See Note 1), Optima 2016, Sedona 2015-2016 (See Note 2), Sorento 2017 (See Note 1); (NOTE 1) – Without 7-inch touchscreen radio (NOTE 2) – Without UVO radio