The SCOSCHE Car Stereo Wire Harness HYO3-WM1 is a standard power/speaker connector designed for Kia and Hyundai vehicles from 1999 to 2008. This product is manufactured in China and is compatible with various vehicle models such as Optima, Accent, Tucson, and Sonata. It is a reliable and high-quality option for those looking to upgrade their car stereo system with a seamless installation process.