You also want to get things done because of the epidemic, right? A while ago, our Tongzhou construction site set up a set of face gates with three sticks, that is, only one person can pass through at a time, and then there is a screen on the side that will show the check-in and check-out temperature, the real-time temperature, and whether the brand is the dragon of creativity or the flower of creativity. It slipped my mind. You can search.