Teamviewerbox is a device to help maintenance person to quickly access the device behind firewall. NAT Traversal: It can Traversal more than 3 level NAT Auto Discovery: Automatic discovery the device in the same LAN network. The MAC Address prefix can be configured in portal Zero Configuration: support DHCP, automatic register to Cloud server. Access from anywhere: free cloud based server to ensure you can access from anytime anywhere. Support SSH, Web, Telnet and etc. Less Than $50: end user price USD 50 only, contact owenlhl@outlook.com for distributor price. 1:N Device: one box can support multiple device in the same network