Door/Gate Counters

[mmyers]

As part of our renovation, we plan to remove our 3M/Biblioteca security gates at our entrance. We're drastically reducing the size of our print collection and students have commented that the gates don't make them feel welcome. The gates have a built-in traffic counter and we would like to retain that function. What standalone counters do you use if you're not using security gates? Pros/cons, etc.

Thank you!