The Proteus C5 Wi-Fi Electric Load sensor with email, text and audible alerts lets you monitor ON/OFF status of your electric and electronic equipments through the cloud. . The sensor can detect when devices turn on or off and alerts you immediately. Along with a local audible alert, notifications/ text messages can be sent to multiple emails and phones. Important Note: Configuring time delays can be critical to getting the sensor to run properly and avoid false alert issues based on your specific application. You can read our installation guide online on the manufacturer website. Device can be accessed through your computer or smart phone. Proteus C5 Electric Load Sensor can be set as normally ON or normally OFF. When the status changes, email/ text alerts are sent. Monitoring is done via sensing the load current. Any devices with a minimum current of 0.5Amps can be detected. <p><b>Why Proteus? </b></p> <p>• We have the best user interface that makes it easy for just about any one to set it up. No need to be a computer or internet expert. </p> <p>• Our sensors combine local audible alerts, with email and text notifications. Best of both worlds. </p> <p>• No need to install any Apps. Dont clutter your phone any more. Just use a web browser and it works from any device. Just like an app. </p> <p>• 802.11b/g WiFi provides seamless connectivity to your home/ office network </p> <p>• Add as many emails or contacts as you need. Do not restrict alerts to just one email or phone like other sensors.</p> <p>• Got a question before purchase? During setup? Talk to us directly. We are here to help.</p>