Feature 1This remote key fob has 2 buttons, with the functions of locking and unlocking the door. 2Builtin chip, 433HMZ frequency, high sensitivity and stable performance, reliable to use. 3High grade ABS material, wear resistant, anticorrosion and durable, not easy to damage. 4Builtin 1 CR2025 button battery, with 200mAh capacity, it has long service life. 5Original standard, it is a direct replacement for the old or damaged remote key.Item Type: Smart Car KeyMaterial: ABSFrequency: 433MHz Buttons: 2 (car door lock and unlock)Battery: Button battery, 1 x CR2025, 200mAh (built-in)Instruction:Our keyless entry remote fobs are brand new never used inside and out. This means that the outer shell (casing), button pad with icons, and electronics (pcb) have never been used before. Beware of other items being sold as brand new when in fact it is a used circuit board inside of a new shell (case). These items can be as much as 20+ years old depending on the year of your vehicle. Replacing the case on a used original remote may interfere with the functionality and manufacturer's warranty. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Car KeyNoteThis remote key will have to be programmed by a qualified locksmith for programming. There is no manual way for a user to do it themselves. Please check with some locksmiths in your area and be sure they will reprogram one of these keys for you.