Exterior cleaning, alcohol disinfection, and infrared operation confirmed. Back cover missing. Please check the photos for the condition and only purchase if you understand that this is a used item. We will also check the operation before shipping, but please check the operation upon arrival. If there is a problem, please contact us via message before leaving a rating. We may not be able to accept returns after a rating has been given, so please understand. Please research the compatible models for the remote control yourself. We will not accept cancellations, returns, or refunds due to incompatibility. ※ Although we have not processed the product images other than cropping, photos may appear cleaner than the actual item. Please refrain from purchasing used items if you are concerned about minor dirt or scratches, or if you are sensitive to odors. The item is only the remote control, and we will ship it with the batteries removed. ※※ Regarding responses to comments: We do not respond to requests for price reductions or questions such as "Can I use it?" or "When can you ship it?" in the comment section. Please read the product description. Prices are subject to change, so please understand.