ARD unifies payment and building security management into a single solution. This provides users with a single method for identification and physical access along with payment and reservation features using a contactless smartcard, or a mobile device. ARD has a unique functional scope within electronic security (access control with visitor management, intruder alarms and video surveillance of perimeters, buildings, car parks, outside space) with a private payment solution for restaurants & cantines, vending machines & photocopiers.