I have a pretty basic arm from Amazon that I have a 27" mounted to. I only use it for work but it could be a TV as well if I wanted. I put in straps to hold it in place while driving, otherwise it would bounce all over the place

VIVO Height Adjustable Pneumatic... https://www.amazon.com/dp/B0779BHZCG?ref=ppx_pop_mob_ap_share