I don't think it does. PQI is picture quality index, which takes into account 'how high the resolution is, colour, brightness, contrast, motion, noise reduction, screen panel and backlight refresh rate' etc.
Would use credit card for extra protection just in case.
In their explanation it states various reason among them returns under 30 day customer return. How can these be As New?
"1000 PQI" How does that translate into *real* Hz?
Graded "As New"