You may integrate DISPL's visitor analytics into point-of-sale systems.

Objective: 

Capture the current buyer facial metrics data (such as gender, age, beard, facial expression, etc.) and incorporate this information into the invoice, to have a thorough understanding of: who, of which gender and face attributes, at what time, purchased what item, in which quantity, with which payment method, and more.

This won't require an active internet connection, as the visitor's facial attributes data would be generated and requested locally, at the POS computer hardware, running both the POS app and DISPL Player together. Please check if the computer meet the minimum requirement to do so.

Minding this configuration, you may also use digital signage at the POS, to further encourage an upsale.

This, of course, demands a third-party software development to integrate. Consult with specialized software solutions provider to do such. We will provide full support on DISPL Player side.

Here's how you gather this information locally from DISPL Player using it's API function.