Smart Wi‑Fi Switch for Temperature and Humidity Monitoring Sonoff THR316 – Original








Smart Wi‑Fi Switch for Temperature and Humidity Monitoring Sonoff THR316 – Original

Powerful 16 A relay for demanding appliances
Switches heating, pumps, and other higher‑load devices. Stable performance and a safe design ensure long‑term, uncompromised operation.

Smart temperature and humidity control
Support for DS18B20, SI7021, and MS01 sensors enables automation based on current temperature, air humidity, or soil moisture—ideal for greenhouses and home comfort.

Control from anywhere and works even without internet
The eWeLink app with scheduling and notifications, compatibility with Alexa/Google Assistant/Home Assistant, and a LAN mode for control even during network outages.
The Sonoff THR316 delivers precise environmental control for interiors and technical installations. It is ideal for underfloor heating, terrariums, wine cellars, indoor pools, greenhouses, or irrigation systems. Thanks to compatibility with temperature, humidity, and soil‑moisture sensors, it can automate switching devices on and off based on conditions you define.
Control is handled via the eWeLink app with options for remote on/off, creating timers and schedules (up to 8 programs), viewing temperature and humidity history in hourly, daily, and monthly charts, and data export (xlsx, up to 6 months). Integrations with Amazon Alexa, Google Assistant, Home Assistant, and IFTTT expand automation, while LAN mode ensures operation during temporary internet outages.
Key benefits:
- 16 A relay for higher‑consumption devices (e.g., underfloor heating)
- RJ9 4P4C connector for easy sensor connection (DS18B20, SI7021, MS01)
- Safe construction from flame‑retardant PC V0 material, short‑circuit protection
- Easy installation thanks to the included mounting rail and large control button
Specifications
- Manufacturer
- Sonoff
- Model
- THR316
- Color
- White
- Material
- PC V0 (flame‑retardant)
- Max load
- 16 A
- Power supply
- 100–240 V ~ 50/60 Hz
- Wi‑Fi
- IEEE 802.11 b/g/n, 2.4 GHz
- Sensor connector
- RJ9 4P4C
- Compatible sensors
- DS18B20 (temperature), SI7021 (temperature/humidity), MS01 (soil moisture)
- Integrations
- eWeLink, Amazon Alexa, Google Assistant, Home Assistant, IFTTT
- Modes
- Timers, schedules (up to 8), automatic mode, LAN mode
- Functions
- Real‑time temperature and humidity monitoring, notifications, history and data export (xlsx)
- Dimensions
- 98 × 54 mm
- Package contents
- Smart switch, mounting rail, user manual