Amazon.com: Power Failure Detector with Text Message and …

An alert is also sent when power comes back on. That alert is a message, either via email or text, or both. Power Failure Alert is configured to use your WiFi (see Important Note below). The setup takes a few minutes with a smart phone or a laptop. No Hub Required: Each Power Failure Alert works independently with your Wi-Fi network. Multiple …

https://www.amazon.com/Power-Failure-Detector-Message-Alerts/dp/B089QQNKJL