CONNECTS UP TO 3 CONTACT CLOSURE RELAY DEVICES - The Global Cach?? IP2CC iTach allows you to connect up to three contact closure devices to the internet using the wired Ethernet connection. PROVIDES RELAY CONTROLS - You can remotely monitor and control switch-automated contact closures such as motorized curtains or pool lights using an iPhone control app or PC-based software. SIMPLIFIES THE SETUP - This onboard web server adheres to TCP, DHCP HTTP standards so you can easily set up the IP2CC. Just download the iHelp software at Global Cach??'s website. OFFERS IR LEARNING - You can download the latest iLearn software at Global Cach??'s website at no additional cost! The software captures and playbacks IR commands. INTEGRATES EASILY WITH OTHER 3RD-PARTY SYSTEM - The IP2CC iTach is based on an open network, so it works with various control, automation, and monitoring environments via TCP/IP.