Preferably very small for dry herb, and smoke comes out the other end. Preferrably around 40 to 50 dollars.
Get what ya pay for with vaporizers go cheap and you’ll regret it. I’d save for something good just so ur not disappointed with ur purchase. Older flower mate 5.0 or boundless cfv would be good to start with till ya can something better. I’m sure others have cheap ideas too.