This Brandel CH-055 Cell Harvester Auto-Control Controller is listed "for parts or not working condition" because full testing could not be performed. Unit appears to be in good condition. We urge customers to view all photos as they show overall condition, included accessories and useful information. Listing only includes what is shown in photos and does not include any additional accessories or software. Although testing could not be performed, we will offer a 30-day, full money back return policy with the buyer handling return shipping. We will be happy to provide additional information as well as photos so please feel free to contact us with any questions