Overview: This is an Ethernet Controller board based on Imatic system which could be compatible with the 16 Channels relay. Using the controller module and the 16 Channels relay, you could control up to 16 devices remotely on LAN or WAN. The Ethernet Controller board has integrated the web server, when you are on your office, you just need to open the page on your computer, pad or smartphone, and then control your devices like lights, air-conditioning or refrigerator on your home. You can feel free to enjoy the remote controlling of your other devices with the ethernet controller board. Feature: Control switches remotely together with 16 Channel relay. RJ45 interface, via RJ45 telecommunications connection for network control. Support for 16 Channels relay which means you could controll more to 16 different devices at the same time. Unique dual TCP connect control, corresponding with above trait, local as TCP server accept client control, when connect to remote server as TCP client Supply core module detailed information Default IP: 192.168.1.4 prot:30000 http://192.168.1.4/30000 (You could change the default IP address) Relay: 175 * 90 * 20mm Relay + controller: 215 * 90 * 25mm HTTP comment: http://192.168.1.4/30000/00 : Relay-01 OFF http://192.168.1.4/30000/01 : Relay-01 ON http://192.168.1.4/30000/02 : Relay-02 OFF http://192.168.1.4/30000/03 : Relay-02 ON http://192.168.1.4/30000/04 : Relay-03 OFF http://192.168.1.4/30000/05 : Relay-03 ON http://192.168.1.4/30000/30 : Relay-16 OFF http://192.168.1.4/30000/31 : Relay-16 ON http://192.168.1.4/30000/41 : Enter http://192.168.1.4/30000/40 : Exit http://192.168.1.4/30000/42 : Next Page http://192.168.1.4/30000/43 : Next Page Package includes: 1 x Ethernet Control Module 1 x 16 channel relay Wiring, for reference only.