⚠️ To those considering a purchase ⚠️ We clean items as much as possible before shipping, but for precision instruments and items showing signs of deterioration, we may not be able to perform strong cleaning to prevent water damage, discoloration, or deformation, and some dirt may remain. We would appreciate it if you could purchase with the understanding that these are used items. Please refrain from purchasing if you are overly concerned about condition. === Used for about six months. Outer box, instruction manual, and batteries are not included. USB receiver and main unit are included. There is a general feeling of use, but there are no problems with the operation. Cleaned. Please purchase with the understanding that this is a used item.