This Hitachi TU - Z3A Triax Base Station Camera Control Unit comes with a correct power supply. However, please note that the fan may rattle noticeably.

Using this Hitachi camera control unit is easy. First, make sure to connect it to the correct power supply provided. When you turn it on, if you hear the fan rattling, don't be too alarmed as it's a known issue. As for maintenance, keep it in a clean and dry place. Try to avoid exposing it to dust and moisture. If the rattling gets too annoying, you might want to have a professional check the fan. Just handle it gently to ensure it keeps working well for you.