Features: This product supports CAS4 car programming, offers advanced programming capabilities and customization to meet complex automotive programming requirements. Utilizes BOX V5.55 technology with advanced hardware and software design for a stable and reliable programming process. Security measures are implemented during programming to ensure data transfer safety, prevent misuse or data loss, and protect both vehicles and users. Operation is simple and easy to understand, featuring a friendly user interface. Even non-professionals can use it effortlessly, making it convenient and fast. Ideal for scenarios where users want to customize their vehicle, optimize performance or upgrade the firmware, enabling related operations through this product. Specifications: Material: Plastic Note: ① Allow 1-2 cm tolerance due to manual measurement. Please ensure you're okay with this before ordering. ② Colors may vary due to different screen displays. Thank you for your understanding. Packaging includes: 1 Set of car programmer Chip Tuning Tool