ControlByWeb manufactures industrial-grade Ethernet I/O modules for remote monitoring, data acquisition, and industrial automation. All ControlByWeb® products have built-in web servers and can be setup, monitored, and controlled using a web browser. Our Ethernet I/O products are designed to be extremely reliable for web control and monitoring of electrical devices. Our products have built-in relays, digital inputs, analog inputs, can monitoring temperature/humidity, and more. We are based and manufacture all of our I/O modules in the U.S.A.