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 . Extended Detection Support:Used with water leak detection cable( 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 utilizing the Zigbee 3.0 protocol. Support Home Assistant:Easily add to Home Assistant for your home automation through ZHA or Zigbee2MQTT. Specifications: Battery model:CR2477(3V) Working temperature:-10-60C Communication distance:130m (Open space) Working humidity:0-100%RH Due to different batches, there may be differences in product appearance and printed text, which will not affect use Colour: White Material: ABS note: Water-soaked line Package Contents: 1 x Water Leak Sensor 1 x Water Leak Detection Cable 3 x Cable Clips Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.