Operation confirmed. Batteries not included. This is a used item. There may be color fading, blurred text, unremovable stains, scratches, and discoloration due to use. (Please check the condition in the images) Infrared emission of all buttons has been confirmed to be working. We offer a refund guarantee within 7 days of arrival if there are any operational defects or problems. We are looking forward to purchases from those who understand that this is a used item. If there is an initial operational defect, please contact us before leaving feedback. b11