Back cover missing. Operation confirmed. Batteries not included. This is a used item. There may be color fading, text smudging, unremovable stains, scratches, and discoloration due to use. (Please check the condition in the images.) All buttons' infrared emission has been tested and confirmed to work. We offer a money-back guarantee for any operational defects or problems within 7 days of arrival. We are looking forward to your purchase if you understand that this is a used item. If there is an initial operational defect, please contact us before leaving feedback. n40