SONOFF Smart Wi‑Fi Switch with Temperature and Humidity Monitoring
933121-1




€23.50
SONOFF smart Wi‑Fi switch with temperature and humidity monitoring, 20 A relay, eWeLink, LAN, DS18B20/SI7021/MS01 sensors, Alexa/Google. Ideal for heating and greenhouses.




SONOFF Smart Wi‑Fi Switch with Temperature and Humidity Monitoring
933121-1
SONOFF smart Wi‑Fi switch with temperature and humidity monitoring, 20 A relay, eWeLink, LAN, DS18B20/SI7021/MS01 sensors, Alexa/Google. Ideal for heating and greenhouses.
€23.50
Powerful 20 A relay for heating, greenhouses, or terrariums with real‑time temperature and humidity monitoring. Control remotely via eWeLink, set timers and automations, use LAN mode and integrations with Amazon Alexa/Google Assistant. A stable connection is ensured by the RJ9 4P4C connector and compatibility with DS18B20, SI7021, MS01 sensors.
The universal smart switch with a 20 A capacity is ideal for underfloor heating, pumps, irrigation, greenhouses, indoor pools, wine cellars, and terrariums. It monitors temperature and humidity in real time and switches connected devices when the set values are reached. With the eWeLink app, you have everything under control from anywhere, including in LAN mode without the Internet.
- High‑power 20 A switching for higher‑load appliances (e.g., underfloor heating).
- Temperature and humidity measurement with hourly/daily/monthly history and xlsx export (up to 6 months).
- Support for DS18B20 (temperature), SI7021 (temperature/humidity) and MS01 (soil moisture) sensors via RJ9 4P4C connector.
- Smart scenes, timers, schedules, and up to 8 programs for energy savings.
- Integrations with Amazon Alexa, Google Assistant, Home Assistant, and IFTTT.
- Easy mounting on the included rail, a large on‑device button, and a front‑panel protective shield.
The device is made of flame‑retardant PC V0 and meets UL and RoHS standards; the improved circuitry protects against short circuits. Compact dimensions 98 × 54 mm make installation easier. The package includes the smart switch, a mounting rail, and a user manual.
Specifications
- Manufacturer
- Sonoff
- Model
- THR320D
- Device type
- smart switch / relay
- Maximum current / load
- 20 A
- Power supply
- 100–240 V AC, 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)
- App
- eWeLink
- Integrations
- Amazon Alexa, Google Assistant, Home Assistant, IFTTT
- LAN mode
- yes
- Features
- timers, schedules, scenes/automation, temperature and humidity monitoring, history and data export (xlsx)
- Material
- flame‑retardant PC V0
- Safety standards
- UL, RoHS
- Protections
- improved anti‑short‑circuit circuitry, front‑panel protective shield
- Color
- white
- Dimensions
- 98 × 54 mm
- Package contents
- smart switch, mounting rail, user manual