Gatorwire Bayoutech Full Range Motion TV Mount

What size TV will this hold?

Per the Features:
Accommodates most 37"-70" flat panel TVs up to 35kg/77lbs

How far from the wall is the TV when completely pushed flat?

Vendor says it’s 16.81".

2.48"

something with more beef @ the wall side like https://www.walmart.com/ip/Full-Motion-TV-Wall-Mount-for-19-84-TVs-with-Tilt-and-Swivel-Articulating-Arm-and-HDMI-Cable-UL-Certified/45162255 is probably better for heavy TVs