This genuine Samsung rear cover, known as the BN63-15588A, is crafted for your 34-inch CJ791 Thunderbolt 3 Ultra Wide Screen Curved Monitor, 34-inch CF791 Curved Widescreen Monitor, or Samsung television. It serves as a replacement part to keep your device functioning properly. When the rear cover shows signs of wear or damage, it can leave your device vulnerable to dust and other elements. Replace it with this rear cover to maintain the integrity of your device. Check your device's model number for compatibility before purchase.