The ATLO-HD1-TUYA is a flooding, leakage sensor that communicates over a local WiFi network (can operate without Internet).
Tuya is an international home automation platform that connects thousands of products made by different manufacturers. The system can support all the most popular communication protocols such as Wi-Fi, Zigbee, Bluetooth.
Tuya Smart application works perfectly with Google Assistant, Amazon Alexa and many others, which allows you to control connected devices using voice commands.