This is a registered smart key. It was working without any problems. The battery was replaced about a month ago, so I think it will last for about a year. To register the smart key, you will need to bring your vehicle to a dealer or shop. Please purchase only if you understand that this is a used item. I cannot offer a discount, but I will offer a discount if you purchase it with other items. Please let me know in the comments. To prevent tampering, we do not accept returns or exchanges after purchase. ✔️ Free shipping nationwide ✔️ Anonymous shipping ✔️ Immediate purchase at the listed price is OK without comments ✔️ Same-day shipping (excluding year-end and New Year holidays) #VOXY #NOAH #ALPHARD #VELLFIRE #ESQUIRE #SIENTA #Dual Power Sliding Doors #Smart Key