We are Grateful for YOU! This is a genuine Dodge Chrysler Skim Theft Module Transponder, model number 05026218AJ, which comes with a manufacturer warranty of 3 months. The module is designed to protect your car from theft and is compatible with a range of Chrysler vehicles. It is important to note that this module is not interchangeable with part numbers P05026218AJ and 05026218AK. If you are looking for a replacement or an upgrade to your car's security, this Skim Theft Module Transponder is an excellent choice.