Hello. What you see is what you will be getting. This unit came from a working place. I have no way of testing this but it is sold as is no returns or refunds. I have sold 4 of them along time ago and these will not last long on here. If you are looking at this you know what it does and how much they cost. This unit does have scuff marks on it but will not affect anything.          Regardless of the origin of this equipment, documentation provided, or identification appearing upon the equipment, the equipment described and offered here is in no way certified for, recommended for, or offered for any specific use. The purchaser agrees that the seller shall not be held responsible or liable for any injuries or damages, whether incidental or coincidental, associated in any way with this equipment. The purchaser, by bidding on this equipment, indicates their knowledge of and agreement to the terms of this disclaimer. This item is sold completely as is/ as shown with no warranty either express or implied. "The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item." If you have questions about legal obligations regarding sales of medical devices, you should consult with the FDA's Center for Devices and Radiological Health.               Thanks for looking and shipping will be $15.00.