Description
The SONOFF SNZB-02P is a compact Zigbee 3.0 temperature and humidity sensor built with a Swiss-made hygrometer sensor. It offers ±0.2°C / ±0.4°F temperature accuracy and ±2% RH humidity accuracy, with data refreshed every 5 seconds for near real-time updates.
It runs on a CR2477 coin cell battery for up to 4 years under typical use, sends instant alerts to your phone when temperature or humidity leaves your comfort range, and keeps up to 6 months of free cloud history in the eWeLink app that you can view by day, month or half-year and export.
Note: a Zigbee 3.0 gateway is required (see "Works With" below).
Key Features
- Swiss-made hygrometer sensor: ±0.2°C / ±0.4°F and ±2% RH accuracy
- Data refreshed every 5 seconds
- Instant comfort alerts when readings pass your preset thresholds
- Up to 6 months of free cloud storage with daily, monthly and half-year views
- Export detailed temperature and humidity logs
- Up to 4 years of battery life on a CR2477 coin cell (SONOFF lab data; actual performance may vary)
- Zigbee automations for fans, air conditioners, humidifiers, heaters and smart plugs
- Compact 45 × 45 × 17.7 mm body for desktop or wall placement
Works With
Technical Specifications
| Specification |
Details |
| Model |
SNZB-02P |
| Wireless Protocol |
Zigbee 3.0 (IEEE 802.15.4) |
| Battery |
CR2477 (included) |
| Battery Life |
Up to 4 years (typical use) |
| Temperature Accuracy |
±0.2°C / ±0.4°F |
| Humidity Accuracy |
±2% RH |
| Data Refresh |
Every 5 seconds |
| Working Temperature |
-10°C ~ 60°C |
| Working Humidity |
5% ~ 95% RH, non-condensing |
| Casing Material |
PC |
| Color |
White |
| Dimensions |
45 × 45 × 17.7 mm |
| Net Weight |
26.7 g |
Why Choose the SONOFF SNZB-02P?
- High accuracy from a Swiss-made sensor in a small, wireless body
- Years of battery life with no wiring
- Alerts and automations that keep rooms healthy and comfortable
- 6 months of history that you can export
Downloads
⬇ Download User Manual (PDF)
Warranty: 12-month warranty from the Official Distributor.