This item was kept in stock. Although it is unused, it is being listed as "minor signs of use, scratches, and dirt, but not noticeable" because the instruction manual is not included and its operation has not been confirmed. Please purchase only if you understand this. If you have any questions, please be sure to ask in the comments before purchasing. We cannot accept inquiries after a purchase. Thank you. - AHD-HD-TVI・CVBS + (3M IP 4Ch) 4Ch 4K-UHD - 2.0Tb SEAGATE surveillance HDD installed - H.264 High Profile - 30fps@1080p/HDMI/VGA simultaneous output - CMS program CD Please ask any questions you may have before purchasing. Thank you.