The item is sold for 8644A only, but it is excluded all other equipment and accessories referring to attached pictures
Return is accepted ONLY due to DOA while arrival
There is no return if protection seals are removed/broken/opened
Import Tax and custom clearance are responded by buyer
I hope the item is able to comply with your test engineering and applications
We do warm up and quality control testing before shipment
Tks for a good feedback comment if you satisfied with the item and our service
Your questions are much welcomed
Option:
We are able to offer you a traceable certificated of calibration report for 800USD
More items are able to find from our ebay store
https://www.ebay.com/str/greatvasttechnology