Units were manufactured between 2014 - 2016 and come with all accessories.ECG OnlyUnit has been tested and is in good working condition. Please note: The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. This item will not be sold to individuals and will only be sold to authorized purchasers. Do not bid on this item unless you are a medical service provider or medical equipments distributor. We will verify your status as an authorized purchaser of this item before shipping of the item. If you have questions regarding such, please consult the FDA's WebSite for more information. Please contact us in advance for clarification. Please note that in order to complete any transaction through PayPal, the shipping address must be confirmed, or the payment must be verified. (All logos, product names and content are trademarks and s of the respective owners.)