Endian 4 Industrial (4i) includes a powerful, controlled temperature desktop model as well as a ruggedized, wide temperature (DIN-rail) model. Each device in the 4i family incorporates Endian's easy-to-use web interface while providing a wide array of powerful security features, such as a firewall, deep-packet inspection intrusion prevention and a secure VPN solution that includes interoperability with Apple iOS and Android mobile devices. In addition, it also includes a free web-based centralized management and monitoring tool (Endian Network) to reduce the administrative and support costs of our partners and customers.