The Sonoff Smart Water Leak Sensor is an advanced device designed to provide early detection of water leaks and protect your home from potential flooding. Featuring corrosion-resistant gold-plated probes and an IP67-rated design, this sensor is built for durability even in challenging environments. It operates on the ZigBee 3.0 protocol and has an impressive five-year battery life, providing peace of mind with minimal maintenance.

• Protection Against Damage: Detect leaks early to prevent costly damage such as structural weakness or mold. This sensor effectively monitors standard and hard-to-reach areas, detecting even minimal water levels from 0.5 mm.
• Advanced Technology: With a concave design for accurate water detection and an optional probe cable, this sensor ensures precise monitoring of specific points, ideal for leaks from pipes, washing machines, or heaters.
• Robust and Reliable: With IP67 protection against dust and short-term water immersion, this sensor operates reliably in damp areas like basements, bathrooms, or kitchens. It also features UV-resistant materials and gold-plated probes proven to resist corrosion.
• Smart Alerts: Receive multiple notification types, including push alerts via the eWeLink app, sound alarms through ZigBee hubs, and email alerts (with eWeLink Advanced subscription). Redundant alarm settings ensure notifications continue even during network instability.
• Smart Home Compatibility: Compatible with Amazon Alexa, Google Home, SmartThings, and IFTTT, it supports various ZigBee hubs such as iHost and SmartThings V3. It integrates with Home Assistant via ZHA or Zigbee2MQTT.

The package includes:

• Water leak sensor
• User manual

Technical Parameters

• Manufacturer: Sonoff
• Model: SNZB-05P
• Communication Protocol: ZigBee 3.0
• Power Supply: CR2477 3V Battery (included)
• Battery Life: Up to 5 years
• Detection Range: 0.5 mm water level
• Operating Temperature: -10°C to 60°C
• Operating Humidity: 0% to 100% relative humidity
• Case Material: PC + ABS
• Product Dimensions: 48 x 48 x 21.6 mm
• Net Weight: 45 g
• Communication Range: 130 m (open area)
• Home Assistant Support: Yes (via ZHA or Zigbee2MQTT integration)
• Supported ZigBee Hubs: iHost, ZBDongle-P/E, NSPanelPro, AeoTec Smart Home Hub V3, SmartThings Hub V3, ZBBridge-U/P
• Compatibility: Amazon Alexa, Google Home, SmartThings, IFTTT
• Protection Class: IP67 (water and dust resistance)
• Notifications: eWeLink app (push), sound alerts via ZigBee hub, email alerts (requires eWeLink subscription)