【Hard Disk for TV Recording】 Simply connect it to your TV's USB port and set up the hard disk for TV recording, and you can use it right away. There's no need to plug it into a power outlet. (AC adapter not required) If you have any concerns, please feel free to consult with us. We can look up the operating instructions based on the manufacturer's model number. Case: ORICO (New) HDD: 500GB No bad sectors, used but in good condition (operation confirmed) CrystalDiskInfo health status: Good Accessories: USB 3.0 cable Terrestrial Digital: Approximately 63 hours BS Digital/110-degree CS: Approximately 45 hours 4K Broadcast: Approximately 33 hours ※ These are estimates and may vary depending on the broadcast rate and settings. 【Compatibility】 TV Recording PC (Windows 7 / 8 / 10 / 11, MacOS) PlayStation If requested, we will format it for PS4. The images are reused. Type: Portable HDD