Smart Temperature And Humidity Sensor
Certified on October 15, 2026, updates are not expected yet
Thread border router required. This device uses Thread and needs a Thread border router, for example a HomePod, Apple TV, Nest Hub or Echo. Compare border routers →
The temperature sensor from SONOFF, Smart Temperature And Humidity Sensor (SNZT-02B), uses Thread technology and is certified with Matter version 1.5. Certification took place in October 2026; the current firmware is v1.0.
Price comparison
Compatibility with smart home platforms
Whether the platform supports this device type (Temperature sensor). This is an assessment based on the platforms’ lists, not a guarantee for every feature.
- Google HomeDevice type supported
- Amazon AlexaDevice type supported
- Apple Home *Device type usually supported
- SmartThings *Device type usually supported
- Home Assistant *Device type usually supported
This device uses Thread: the platform needs a Thread border router, for example a HomePod, Apple TV, Nest Hub or an Echo with Thread. Compare border routers →
Data as of 2026-10-28. Platforms keep adding support; check the manufacturer’s information before buying. Platforms marked * publish no list of their own, so the entries are based on reports.
Technical data
- Manufacturer
- SONOFF
- Product type
- Sensors
- Device type
- Temperature sensor
- Radio protocol
- Thread
- Matter version
- Matter 1.5
- Model number
- SNZT-02B
- First certified
- October 15, 2026
- Certificate ID
- CSA2653ZMAT56031-24
- Vendor / product ID (VID/PID)
- 0x1321 / 0x0171 (4897 / 369)
Setup (manufacturer instructions)
5
Press and hold the reset button for 5 or 10 seconds until the green LED blinks slowly.
Factory reset
General advice
- First remove the device in your smart home app (controller) so its pairing is deleted there.
- Reset the device as the manufacturer describes – often a reset button or a fixed sequence of power cycles. The exact sequence differs per device; use the manual.
- The device then starts in pairing mode. Set it up again with its QR code or setup code.
Resetting erases the device’s settings and assignments.
Manufacturer links
Update history (certified firmware versions)
One version is certified so far (since October 15, 2026). New versions appear here automatically.
| Version | Certified on | Matter | Certificate ID |
|---|---|---|---|
| v1.0 | October 15, 2026 | 1.5 | CSA2653ZMAT56031-24 |
Source: Distributed Compliance Ledger of the Connectivity Standards Alliance (as of November 3, 2026). No guarantee.
