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 any issues, we do not offer holds or reservations! All items are sold on a first-come, first-served basis!! If you are unsatisfied with the product you receive, or if it doesn't work, we will accept returns and offer a refund! Please contact us before leaving a review. Initial setup may be required, in which case please contact the manufacturer. We generally ship via Yu-Packet Post. Please contact us if you have other shipping preferences. We have confirmed that all buttons emit infrared light. Button response is good ◎ For radio wave type remotes, we only confirm power on or have not tested functionality. Please understand. We have cleaned the item, but if you are particularly concerned, please purchase with the understanding that you may need to clean it yourself. Batteries are not included. For usage instructions and compatible model numbers, please contact the manufacturer. Please be sure to check the condition in the photos and understand before purchasing. If you have any questions, please ask in the comments section.