How do we control the number of Pepple inside my store in realtime

How do we control the number of people inside my store in realtime?
People counting camera;
Controlling the number of people in specific areas;
Avoid to occur in overcrowed spaces set limited people in area as requested;
Support language:English, Chinese, Turkish, Spanish, French,Italian,Russian,German,Romanian,Arabic,Japanese;

We have strong production and R&D strength. QOHO products pass CE, RoHS certificate. And factory got ISO9001:2008 standard for Research and development, sales of Mobile Digital Video Recorder, Mobile Cameras, DVR, Body Police Camera, Personal Mini Mobile DVR.