Thank you for viewing. All buttons have been confirmed to be infrared-functional. Also, this item has been disinfected and cleaned as much as possible. Everything in the photos is included. Please note that items not shown in the photos are not included. Batteries for inspection are not included. Disinfection and cleaning have been performed prior to listing. Although cleaned, this is a used item, so there may be scratches, stains, etc. Please check the photos.