ZigBee Water Leak Sensor | Wireless Smart Flood Detector

Main Feature:

The Water Leakage Sensor is used to detect water Leakage and receive notifications from mobile app. And it uses an extra-low power consumption ZigBee wireless module, and has a long battery life.Ideal for HVAC, smart home, and property management systems.


  • Model: WLS 316
  • Dimension: 62*62*15.5 mm • Standard line length of remote probe: 1m
  • Weight: 148g
  • Certification: CE,RoHS




  • Product Detail

    Product Tags

    The ZigBee Water Leak Sensor WLS316 is a water leakage detection sensor based on ZigBee technology, designed to identify water spills or leaks in environments. Below is its detailed introduction:
    Functional Features

    1. Real-time Leak Detection

    Equipped with advanced water sensing technology, it promptly detects the presence of water. Upon identifying leaks or spills, it immediately triggers an alarm to notify users, preventing water damage to homes or workplaces.

    2. Remote Monitoring & Notification

    Through the supporting mobile app, users can remotely monitor the sensor's status from anywhere. When a leak is detected, real-time notifications are sent to the phone, enabling timely action.

    3. Low Power Consumption Design

    Utilizes an ultra-low-power ZigBee wireless module and is powered by 2 AAA batteries (static current ≤5μA), ensuring long battery life and reducing the need for frequent replacements.

    4. Audible Alarm

    Emits an 85db/3m sound alarm upon detecting leaks, providing on-site alerts to draw attention to potential water hazards.

    Technical Parameters

    1. Working Voltage: DC3V (powered by 2 AAA batteries).
    2. Operating Environment: Temperature range -10°C to 55°C, humidity ≤85% (non-condensing), suitable for various indoor environments.
    3. Network Protocol: ZigBee 3.0, 2.4GHz frequency, with an outdoor transmission range of 100m (built-in PCB antenna).
    4. Dimensions: 62 (L) × 62 (W) × 15.5 (H) mm, compact and easy to install in tight spaces.
    5. Remote Probe: Comes with a standard 1m-long probe cable, allowing the probe to be placed in high-risk areas (e.g., near pipes) while the main sensor is positioned elsewhere for convenience.

    Application Scenarios

    • Ideal for kitchens, bathrooms, laundry rooms, and other areas prone to water leaks.
    • Suitable for installation near water equipment such as water heaters, washing machines, sinks, water tanks, and sewage pumps.
    • Can be used in warehouses, server rooms, offices, and other spaces to protect against water damage.
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    ▶ Main Specification:

    Operating Voltage • DC3V (Two AAA batteries)
    Current • Static Current: ≤5uA
    • Alarm Current: ≤30mA
    Sound Alarm • 85dB/3m
    Operating Ambient • Temperature: -10 ℃~ 55℃
    • Humidity: ≤85% non-condensing
    Networking • Mode: ZigBee 3.0• Operating frequency: 2.4GHz• Range outdoor:100m• Internal PCB Antenna
    Dimension • 62(L) × 62 (W)× 15.5(H) mm• Standard line length of remote probe: 1m

    The WLS316 is a ZigBee-based water leak sensor designed for real-time flood detection in smart homes and commercial facilities. It supports integration with ZigBee HA and ZigBee2MQTT platforms, and is available for OEM/ODM customization. Featuring long battery life, wireless installation, and CE/FCC/RoHS compliance, it’s ideal for kitchens, basements, and equipment rooms.

    ▶ Application:

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    ▶ Shipping:

    OWON shipping

    ▶ About OWON:

    OWON provides a comprehensive lineup of ZigBee sensors for smart security, energy, and elderly care applications.
    From motion, door/window, to temperature, humidity, vibration, and smoke detection, we enable seamless integration with ZigBee2MQTT, Tuya, or custom platforms.
    All sensors are manufactured in-house with strict quality control, ideal for OEM/ODM projects, smart home distributors, and solution integrators.

    Owon Smart Meter, certified , features high-precision measurement and remote monitoring capabilities. Ideal for IoT electricity management scenarios, it complies with international standards, guaranteeing safe and efficient power usage.
    Owon Smart Meter, certified , features high-precision measurement and remote monitoring capabilities. Ideal for IoT electricity management scenarios, it complies with international standards, guaranteeing safe and efficient power usage.

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