PORMIDO PRD80C This is a junk item where the rear camera does not display. Please be sure to read the entire text before purchasing. The seller also purchased this as a junk item [Photo ①]. I checked the product's condition, contacted the manufacturer, updated the firmware, etc., but I couldn't fix it. I believe there is some kind of defect in the connection between the main unit and the rear camera. I confirmed that the front camera works, but please consider purchasing this as a junk item, mainly for parts. To troubleshoot the cause of the failure, I purchased two new items [Photo ②③] and [Photo ④⑤], which I will also be listing. [Product Contents] All items in Photo ① Junk main unit, front and rear cameras, rear extension cable, parking surveillance cable, some accessories ※1. The rear camera may be defective, so a new replacement from the manufacturer is available. ※2. There is no back cover for the main unit or SD card. Photo ② and ③ Rear camera + extension cable set, PRD80/PRD80C exclusive, with 6m extension cable, not waterproof ※ Purchased new from the official PORMIDO Yahoo! store to troubleshoot the cause of the failure. Used once to check the connection. It does not display due to a defect in the main unit, so I have not been able to confirm its operation. Since it is a new purchase, I think it will probably work normally. Selling price is 6700 yen. Photo ④ and ⑤ Parking surveillance cable (PRD80C exclusive) ※ Purchased new from PORMIDO to troubleshoot the cause of the failure. Used once to check the connection. I have not been able to confirm its operation due to a defect in the main unit. Since it is a new purchase, I think it will probably work normally. Selling price is 2380 yen. If you use a drive recorder for many years, the camera may fail due to sunlight or heat inside the car. How about purchasing it as a replacement part?