I just figure the FREE 32GB microSD Card would come with unit

The vendor of this dashcam has its clients fill out a 5-star review in order to receive a free 32GB SD Card

I've gone to the page it directs you to visit, it makes you fill out a 5 star review as part of: "Steps for a chance to receive a FREE 32GB microSD Card".

In order to get a FREE 32GB SD Card from Wheelwitness, you have to write a review

A FREE 32 GB SD CARD ON US! "

, limited amount offer for a free 32gb

To get a free 32 GB card you must fill out a form and attach there a screenshot for review posted on Amazon