Router 4 local LAN ports and 1 WAN port, ethernet 10/100/1000 Mbps WAN port, PAT, NAT, Port forwarding and Port Range Forwarding, firewall, NAT Loopback, DHCP client (WAN) and DHCP server(LAN), with auto communication speed negotiation, diagnostic leds, for DIN rail mounting, metal housing, UL certification, CE Mark, Rohs, 24 vdc power supply, operating temperature range from 0 to 60 ° C.