Nox Medical T3 Sleep Monitor Ambulatory Recorder ASDB1US Units power on and work as intended. Minor cosmetic blemishes from normal use. Please review pictures for best description and ask any questions prior to bidding. Free shipping to lower 48 states! Thanks for looking! «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.»