I have two of them, miniatures tach won't go over 2000 RPM, but they have fixed this on the newer models. I don't remember the brand of the other one but it is the 90 dollar model that Miniature aircraft sells. It is good and works up to something like 3000 rpm. I like the miniature model better, but they can't fix it to spin faster and I was ticked and wouldn't buy the new one that was faster. Either one does the job and both are good.