Haozee WiFi Smart Water Valve and Auto Shut-Off, Automation Scene Works with Leak Detector, Water Flow Meter, Built-in Battery, for 3/4" Diameter DN20 Pipe

Additional Details from the Manufacturer

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More features

• Wifi function and APP remote control: Wifi smart Water valve can connect to 2.4Ghz, without gateway, you can quickly open/close the water valve on the app, and the mobile phone monitors the water flow rate and water consumption in real time. Even on vacation or at work, you can monitor in real time.
• Ultrasonic flow detection: Adopts W-type ultrasonic water flow measurement technology, which is accurate and reliable. Users can set water flow rate alarms, and automatically open and close the water valve when the water flow rate is lower or higher than the set value. For example, if a water pipe bursts, the water valve can automatically close, thereby saving water and protecting your home water safety.
• Smart Water Meter:Monitor water usage with daily, monthly and last usage statistics, helping you manage water more efficiently and reduce waste.
• Easy Installation:Requires 5V/2A AC power adapter for power supply, and equipped with long-life backup battery to avoid power outages and inability to control the water valve. Built-in 2600mAh capacity NiMH battery, rechargeable, can manually open/close the valve even in power outages. Note: In battery mode, you cannot use APP for control or monitoring
• Automated scenes for use with water leak detectors: Through the Tuya app, users can set up scenes to work with the Tuya WiFi Water leak detector(sold seperately), such as automatically shut off a valve when a water leak is detected.
• Smart Leak Protection & Remote App Control:Never worry about water damage again. Connect to WiFi to remotely control your main water line from anywhere via the App. The system includes an external water sensor—once a leak is detected, the valve can automatically shut off and send instant push notifications to your smartphone to prevent costly home repairs.
• Customizable High/Low Flow Alerts:Complete control over your plumbing health. Set personalized threshold alerts for abnormally high flow (burst pipes) or extremely low flow (potential pipe freezing). You can program the device to either send an emergency notification or automatically shut off the valve to safeguard your property in any scenario.
• Dual Power Modes & Intelligent Failsafe:Designed for reliability. The valve is powered via a standard outlet for full smart functionality, including WiFi control and real-time monitoring. In the event of a power outage, the built-in backup battery ensures you can still manually operate the valve’s open/close switch, providing peace of mind even when the grid goes down.