Smart intercom.
It opens with a phone, the intercom calls the mobile application and shows the video of the guest, Vandal resistant. It works with ordinary analogue handsets, so there is no need to change anything in apartments.
Rankings by 
National Ranking
175th
in RussiaRegional Ranking
465th
in Eastern EuropeGlobal Ranking
6430th
worldwideNeed more insights about local startups?
See more with PRO