Ubiquiti ERLite-3 Edgemax EdgeRouter Lite-3 3x Gigabit LAN Ports WAN Ports: 1 x RJ45 Serial Port LAN Ports: 3 x 10/100/1000Mbps Security: ACL-Based Firewall Zone-Based Firewall NAT LEDs: Power,Speed/Link/Activity VPN: IPSec Site-to-Site and Remote Access OpenVPN Site-to-Site and Remote Access PPTP Remote Access L2TP Remote Access PPTP Client Temperature: -10 to 45 degree C (14 to 113 degree F Humidity: 90% Non-Condensing Dimensions: 7.78 x 3.58 x 1.1