The ThirdReality Zigbee Water Leak Sensor with Dripping Detection is a practical, budget-friendly leak detection solution for smart homes, especially when paired with a Zigbee hub like SmartThings. It’s compact and powered by two AAA batteries, giving it longer life between changes compared with coin-cell sensors, and it includes a built-in audible alert to notify you immediately when water is detected. The sensor’s simple design and Zigbee connectivity make it easy to place anywhere water is a concern — under sinks, near water heaters, or in laundry rooms — and it reliably reports wet/dry status to your hub so you can trigger automations or alerts.

Setup and pairing are straightforward with compatible Zigbee networks, and the AAA battery choice means fewer replacements. The built-in alarm is a notable perk for local alerts, and in practice the sensor has successfully detected real leaks, saving hassle and damage. On the flip side, some setups may see the sensor recognized generically rather than as a leak device, and placement matters — making sure the contact tabs touch surfaces helps improve sensitivity. Overall, it’s a reliable, cost-effective component of a smart water-watch system in your home.