Mortara Burdick Vision� & Vision Premier� Holter System Each XUPVISR35A by Mortara Instrument GROUP: Diagnostic Instruments:Cardiology:Holter Item Description: Vision Remote Upgrade Kit with Application (to 3.5) (Must prove previous ownership of Vision remote license via invoice, license disk, or warranty card) Packaging Desc: Kit Upgrade Vision Remotew/App To 3.5 Country of Origin: Harmonized Tariff Code: Product Description: