The Libra Smart electronic cylinder is one of the products of the ISEO Zero1 product range that can be controlled using Argo, a smartphone app available for both iOS and Android that allows for door access permissions to be added, deleted and modified. It can be opened with smartphone, Apple Watch Series 3 and Series 4, ISEO cards and pre-existing RFID cards (contactless credit cards, public transport tickets, access control cards, etc.).