Tapo Smart Water Leak Detector, Requires Tapo Hub, T300

Price: $19.99
(as of Sep 21, 2026 21:16:29 UTC – Details)


The ultra-compact reminder of leaking water. This Tapo T300 water leak sensor is part of the Tapo ecosystem, it works with the Tapo IoT Smart Hub and protects your household all the time for you. When an anomaly is detected, there are alarms from both the sensor and the hub, you will also receive an instant in-app notification. In addition, you can also set up a smart action that connects sensors and other Tapo smart home products. If an anomaly is detected by the sensors, you can choose to point the camera at the location or turn on the light as an alarm.
【1-Second Rapid Detection and Response & Dual-Side Sensing】Featuring six highly sensitive sensor probes, Tapo T300 triggers its siren in as little as 1 second to alert users immediately and prevent worse water damage. Sensor probes on the top and bottom are designed to detect both drips and leaks.
【Instant App Notifications】Receive an instant app notification when a leak happens or the batteries run low. Find out even while away from home.
【90 dB Built-in Alarm】Alerts you immediately with its adjustable 90 dB alarm when leakage occurs. Press once to silence the alarm after you find the spot. It can also trigger the Hub alarm for additional audible alert coverage.
【3+ Year Battery Life】Two replaceable AAA batteries provide up to 3 years of battery life (Battery life of up to 3 years is based on TP-Link’s laboratory results. Actual battery life may vary depending on working conditions and environments).
【IP67 Waterproof】Tapo T300 meets the IP67 rating against water and dust and is able to withstand humid and dusty environments.
Customers find the water leak detector to be excellent quality, easy to set up, and effective at detecting leaks, with one customer noting it took just two minutes to trace the source of a leak from a refrigerator. The device connects instantly to the hub and sends alerts straight to their phone, making it a reliable protection against damage. They appreciate its loud alarm and consider it a good investment, with one mentioning it’s much cheaper than a professionally installed alarm.