We strive for prompt service. Please refrain from negotiating prices in the comments section. Use the price negotiation button in the bottom right of the image. To prevent trouble, we do not offer exclusive listings! Everything is on a first-come, first-served basis!! If you are dissatisfied with the product you receive, or if it doesn't work, we will accept returns and refunds! Please contact us via the transaction message before leaving a rating. Initial setup may be required, in which case please contact the manufacturer. We generally ship via Yu-Packet Post. Please consult with us if you have other shipping preferences. We have confirmed that all buttons emit infrared light. Button response is good ◎ For radio wave types, only power-on or operation is unconfirmed. Please understand. Although we have cleaned the item, please purchase it with the assumption that you will clean it yourself if you are concerned about cleanliness. The exterior condition is not good. Batteries are not included. We recommend contacting the manufacturer for usage instructions and compatible model numbers. Please be sure to check the condition in the photos and understand it before purchasing. If you have any questions, please ask in the comments section.