This is a used item. There are no issues with its operation. This is an auction for the main unit only. Please refrain from purchasing if you do not understand that this is a used item, or if you are overly concerned about the condition. Due to the risk of issues such as parts replacement, we will not accept returns or exchanges. Please understand that we will prioritize the person who purchases the item, even if negotiations are ongoing. Thank you for viewing. Thank you for your consideration.