This is a set of 4 PD-8s. I received these from a live house owner who no longer needed them. Operation has been confirmed! As the assessment of the exterior condition varies from person to person, I have included many photos. Please check them before purchasing. Please refrain from purchasing if you are overly concerned about the condition. Photos were taken with a smartphone, so the colors and condition may differ from the actual product. I have tried to take clear and easy-to-understand photos, but please understand that this is at an amateur level. [Product Contents] Everything shown in the photos. [Packaging] I will carefully package the items with bubble wrap.