Fangrui Product Details Featuresleaking & Dripping Detectionthe 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 Supportused With Water Leak Detection Cable(separate Purchase Or Purchase Sensor Kit), Whether Its 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 Notificationssnzb-05p Water Leak Sensor Will Instantly Send App Push Notifications To Your Phone When Water Leakage Occurs. Zigbee Local Scenes Can Trigger The Gateways 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 V35-year Battery Lifepowered By Cr2477 Battery Extends The Battery Life To Over 5 Years, Eliminating Concerns About Frequent Battery Replacements.support Home Assistanteasily Add To Home Assistant For Your Home Automation Through Zha Or Zigbee2mqtt( Zigbee Dongle Is Required, E.g. Sonoff Zbdongle-p/ Zbdongle-e). Note 1.snzb-05p Needs To Be Used With Zigbee Hub. 2.nspanel Pro Will Support The Zigbee Water Leak Sensor Snzb-05p In August From Version 3.4.0.