Thank you for viewing. I am selling this item as I haven't used it much since I bought it two years ago. There is a small black stain. Please check the photos. I have confirmed that it works, so it can be used without any problems. I also checked the alarm sound, and it works fine. It's quite loud. Batteries are not included. There is only one key. To prevent damage from rain during shipping, I will double-package the item. Please determine for yourself whether it can be installed on your motorcycle.