SNZB-02M Airguard TH Zigbee Temp Humidity Air Pressure Sensor, 5-In-1 Monitor with Dew Point & VPD, Support Zigbee 3.0

Your Mini Home Environment Monitor

Zigbee Temperature Humidity Air Pressure Sensor | AirGuard TH Pressure

5-in-1 Environmental Monitoring

Real-time monitoring of five environmental indicators. Check the current status remotely anytime, anywhere through the app.

Capture Every Environmental Change in Real Time

Accurately monitors changes in temperature, humidity, and air pressure. Data refreshes every 5 seconds, making it easy to capture subtle environmental fluctuations.

Compact Size, Fits Anywhere

Understand Weather Changes Before They Happen

Air pressure trends can help you better understand changing weather conditions and prepare ahead of time.

Air pressure trends provide general weather insights and should not be considered a weather forecast.

Hidden Threats You Can Now Monitor

Supports dew point and VPD monitoring, turning invisible environmental threats into visible data.

Say goodbye to moldy walls—start by monitoring the dew point.

Stop guessing, start measuring—VPD is the grower's true compass

Over 2 Years of Battery Life

Powered by a high-capacity CR2477 coin cell battery, the device delivers over 2 years of battery life, reducing the need for frequent battery replacement.

The battery life data is a theoretical value, obtained from SONOFF's internal laboratory under a specific test environment. Actual use may vary slightly due to product differences, firmware software versions, operating conditions, and environmental factors. Please refer to the actual use.

Triple-Parameter Comfort Protection

Supports customizable comfort ranges for air pressure, temperature, and humidity.
When any parameter exceeds the preset threshold, the app instantly sends a notification.

Atmospheric pressure varies by location, altitude, and season. Higher elevations typically have lower pressure than sea-level areas. Comfort ranges can be customized to suit your environment.

Your Home Responds Automatically

Automatically turn on a fan, dehumidifier, or custom smart scenes based on temperature, humidity, and pressure changes.

6 Months of Environmental Insights

Enjoy up to 6 months of free cloud storage – view trends of temperature, humidity, air pressure, dew point, and VPD anytime,
and gain a more complete understanding of your environment.

Hands-Free Voice Commands

Compatible with major smart voice assistants— ask Alexa or Google, and you’ll get an instant update on the temperature and humidity.

Note: This function requires adding the device to the eWeLink app and syncing it to third-party platforms via cloud-to-cloud integration; This process does not involve direct connection to the third-party gateway.

Works with Apple Home Via Matter Bridge

All solutions integrate SONOFF Zigbee devices into your Apple ecosystem via Matter Bridge, enabling seamless interconnected device control.

Learn More about ZBBridge-U | Learn More about eWeLink CUBE

Easily Integrates with Open-Source Platforms

Built on the Zigbee 3.0 standard, this device effortlessly connects with a wide range of third-party platforms.

Currently, using the SNZB-02M with ZHA requires the script. For detailed instructions, please refer to: https://help.sonoff.tech/docs/SNZB02M

Zigbee Hub Compatibility

AirGuard Series Comparison

Various Installation Methods

Specifications

Package

CR2477 Battery Included