ControlByWeb manufactures industrial-grade programmable control modules for remote monitoring, data acquisition, and industrial automation. All ControlByWeb® products feature built-in web servers and can be configured, monitored, and controlled through web browsers. Our programmable Ethernet I/O products are engineered for exceptional reliability in web-based control and monitoring of electrical devices. These products incorporate built-in relays, digital inputs, analog inputs, temperature/humidity monitoring capabilities, and more. All our I/O modules are designed and manufactured in the United States.