【Leaking & Dripping Detection】The elevated probe design can detect a 0.5mm liquid level and allows for use on metal surfaces without false triggers from the metal. The concave water collection design detects drips and stops leaks at the source. 【Extended Detection Support】Used with water leak detection cable(separate purchase or purchase sensor kit), whether it’s wide-range detection or narrow-area inspection, water leaks can be detected. The extension cable can be connected in series without any limit on the total length. 【Real-time Alerts & Multiple Notifications】SNZB-05P water leak sensor will instantly send app push notifications to your phone when water leakage occurs. Zigbee local scenes can trigger the gateway’s sound alarm even if the WiFi network fails. 【Zigbee 3.0 Compatible】 Integrates with Zigbee hubs utilizing the Zigbee 3.0 protocol, such as SONOFF NSPanel Pro, SONOFF iHost, SONOFF ZB Bridge/ZB Bridge-P/ZB Bridge-U, SmartThings hub v3 【5-Year Battery Life】Powered by CR2477 battery extends the battery life to over 5 years, eliminating concerns about frequent battery replacements.