The attached quick installation guide provides detailed specifications of the USB People Counters, as well as a description of the installation process. (Download the PDF from the file at the bottom of the page)

For the Wireless People Counters refer the article http://customer.evolveplus.com.au/kb/faq.php?id=1
For the Display Only People Counters refer to article http://customer.evolveplus.com.au/kb/faq.php?id=3
For the Micro Display Only People Counters refer to article http://customer.evolveplus.com.au/kb/faq.php?id=4

Download the PDF of the installation notes at:
https://drive.google.com/file/d/1Gh4OxVft5bHDkhb_bVeJLsh9eHvCllbA/view?usp=sharing