Never Miss a Water Leak Again — Smart ZigBee Flood Detector Protect your home, office, or business from costly water damage with this ZigBee 3.0 Smart Water Leak Sensor. Compact, reliable, and ultra-easy to set up, this flood detector connects to your smart home ecosystem and sends instant app alerts the moment standing water is detected — right to your smartphone, wherever you are. Made in Mainland China. Key Features Real-Time Leak Detection: Senses water as soon as it reaches the probe poles (≥0.01 m depth) and instantly notifies you via the Smart Life / Tuya app. Instant Remote Alarm: Sends an alarm signal to your ZigBee gateway and pushes a notification to your mobile phone — no delay, no guessing. Scene Linkage: Use the Smart Life / Tuya app to create automated routines. When water is detected, trigger other smart devices (e.g., shut off a valve, sound a siren) automatically. Ultra-Long Battery Life: Powered by a single CR2032 battery (included) with up to 1 year of battery life thanks to low-power microprocessor technology. Low-battery alerts keep you informed. Wide Compatibility: Works with iOS 8.0+ and Android 4.0+. Requires a ZigBee 3.0 hub/gateway (sold separately). Compatible with Smart Life and Tuya ecosystems. Multi-Scenario Use: Perfect for kitchens, bathrooms, basements, laundry rooms, hotels, offices, and anywhere water leaks could cause damage. Compact & Discreet: Slim 5 × 5 × 1.8 cm design fits neatly under sinks, behind appliances, or near water heaters without getting in the way. Durable Materials: Constructed from fireproof PC + fireproof ABS for long-lasting, safe use. Technical Specifications Communication Protocol: ZigBee 3.0 Operating Frequency: 2.4 GHz Wireless Range: 30–50 metres (indoors) Power Supply: DC 3V — CR2032 battery (included) App: Smart Life / Tuya OS Support: iOS 8.0 / Android 4.0 and above Operating Temperature: -10°C to 50°C Dimensions: 5 × 5 × 1.8 cm (1.97 × 1.97 × 0.71 in) Material: Fireproof PC + Fireproof ABS Package Contents: 1× Water Leak Sensor, 1× User Manual, 1× CR2032 Battery How It Works Insert the battery and open the Smart Life or Tuya app on your phone. Pair the sensor with your ZigBee 3.0 hub/gateway. Place the sensor anywhere water leaks could occur — under a sink, near a washing machine, or by a water heater. Relax! You'll receive an instant app notification the moment any water is detected. Upgrade Your Smart Home Security Looking for more smart home devices? Check out these related products from our store: 1/2 Channel Tuya WiFi Smart Relay Switch | 16A, Alexa & Google Home Tuya WiFi Smart Relay Switch – Smart Automation Module Learn More About Home Water Safety Water damage is one of the most common and costly home insurance claims. Learn how to prevent it: U.S. Consumer Product Safety Commission – Home Safety. Learn more: Leak detection Frequently Asked Questions Q: Does this ZigBee water sensor work without a hub? A: No, the ZigBee 3.0 water leak sensor requires a compatible ZigBee 3.0 hub or gateway to connect to your Wi-Fi network and send alerts to your smartphone via the Smart Life or Tuya app. The hub is sold separately. Q: How quickly does the flood detector send an alert to my phone? A: The sensor sends an alarm notification to your gateway and mobile phone almost instantly — as soon as standing water reaches the probe poles (water depth of approximately 0.01 m or more). Q: How long does the battery last in this water leak detector? A: The sensor uses a single CR2032 battery (included) and is engineered for up to 1 year of battery life under normal use (based on approximately 20 alerts per day). You'll also receive a low-battery notification in the app when it's time to replace the battery. Q: Is this water sensor compatible with Alexa or Google Home? A: The sensor works natively with the Smart Life and Tuya app ecosystems. Compatibility with Alexa or Google Home for voice alerts depends on whether your ZigBee hub supports those integrations. Many Tuya-compatible hubs do support Alexa and Google Home. Q: Where are the best places to install the ZigBee flood sensor? A: Common installation spots include under kitchen and bathroom sinks, near washing machines and dishwashers, beside water heaters, in basements, and under refrigerators with ice makers. 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