> "With Density on a doorframe, we’ll tell you." The landing page advertises this as an entry-level system for doorframes. It doesn't seem that this is made f

> "With Density on a doorframe, we’ll tell you." The landing page advertises this as an entry-level system for doorframes. It doesn't seem that this is made for costco-level swarms of people entering a large space at one time. That said, I also have my doubts on accuracy but the error margin is probably acceptable enough to most.