Hach BODTrak Respiromatic BOD Apparatus is a single host. I will ship it with a replacement power supply. I only did a power-on test. I don’t know the current operation of other professional functional tests. The product is sold in Taiwan.

Our company is not a professional, and all machines or equipment only undergo a simple start-up test. If you would like to provide a video of all your projects for reference, we will be happy to provide the video. If you purchase directly you will be deemed to agree that all goods are subject to defects. , our company will not provide returns or refunds. In addition, because we sell globally, we currently do not have fixed templates and product sizes. If you need accurate shipping costs, please message us first. We will be happy to help you estimate the correct shipping costs. If you want to buy the directly, It is deemed that you have no objection to shipping costs