FOR SALE IS A NOX QDC-PRO SENSOR UNIT IN VERY GOOD CONDITION. INCLUDES EVERYTHING SHOWN IN PICTURES: Nox QDC-PRO Sensor Unit QDC-PRO DC CABLE DISCLAIMER "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." This item is Being Sold in AS IS condition the seller assumes no responsibility for the proper or improper use of the product. If the item is to be used in conjunction with patient care and/or diagnosis, it is responsibility of the buyer to get proper certifications/licenses for the use of the item. It would be highly recommended and wise to have a bio-med completely check the product for its performance and safety parameters before actual use for patient care and/or diagnosis.