Description
The SONOFF SNZB-02P is a Zigbee 3.0 temperature and humidity sensor designed for precise, real-time environmental monitoring. It offers ±0.2°C temperature and ±2% RH humidity accuracy with updates every 5 seconds, ensuring near-instant readings. The sensor supports Zigbee 3.0 hubs, including SONOFF iHost, NSPanel Pro, ZB Bridge Pro, ZBDongle-E, and compatible third-party hubs, enabling smart automation and voice assistant integration. It stores up to 6 months of cloud-based historical data with easy export for trend analysis. Powered by a long-life CR2477 battery, it provides up to 4 years of reliable operation without wiring.
Key Features
High-Precision Temperature Monitoring
±0.2°C / ±0.4°F accuracy, refreshes every 5 seconds for near real-time updates.
Accurate Humidity Detection
±2% RH precision for consistent moisture level tracking.
Optional LCD Display
View current temperature and humidity at a glance (model dependent).
Zigbee 3.0 Connectivity
Compatible with SONOFF iHost, NSPanel Pro, ZB Bridge Pro, ZBDongle-E, and third-party Zigbee 3.0 hubs such as Echo 4th Gen and SmartThings Hub V3.
Instant Alerts & Notifications
Receive notifications on your smartphone when readings exceed preset thresholds.
Cloud History & Data Export
Up to 6 months of cloud storage. Daily, monthly, or half-year data trends are accessible and exportable.
Voice Assistant Support
Ask Alexa or Google Home for current readings.
Smart Automation
Trigger devices like fans, heaters, or humidifiers based on temperature and humidity thresholds.
Long Battery Life
Powered by a CR2477 coin cell, offering up to 4 years of use under typical conditions.
Technical Specifications
| Specification |
Details |
| Model |
SONOFF SNZB-02P |
| Protocol |
Zigbee 3.0 (IEEE 802.15.4) |
| Temperature Range |
-10°C to +60°C |
| Humidity Range |
0–99% RH |
| Accuracy |
±0.2°C / ±0.4°F (temperature), ±2% RH (humidity) |
| Data Refresh Rate |
Every 5 seconds |
| Display |
LCD (optional) |
| App Support |
eWeLink (iOS / Android) |
| Voice Assistants |
Alexa, SmartThings (via Zigbee hub) |
| Power |
CR2477 coin cell battery |
| Battery Life |
Up to 4 years (typical use) |
| Installation |
Wall-mount or tabletop |
| Casing Materials |
PC |
| Product Dimensions |
45 × 45 × 17.7 mm |
| Use Cases |
Home, office, nursery, storage, automation scenes |
Why Choose the SONOFF SNZB-02P?
Real-time, high-accuracy environmental monitoring
Instant smartphone alerts for comfort and safety
Optional LCD screen for quick on-site readings
Compatible with smart assistants and Zigbee automation
Supports cloud history with exportable data
Long-lasting, low-maintenance battery operation
