SONOFF SI7021 Temperature & Humidity Sensor (RJ11 Converter Included)

Description

The SONOFF SI7021 Temperature & Humidity Sensor is a compact and reliable environmental sensor designed for use with compatible SONOFF smart switches. It measures both temperature and humidity levels in real time, allowing your smart home system to automatically respond to environmental changes.

Using advanced sensing technology, the SI7021 sensor delivers accurate and stable readings with excellent long-term reliability. The integrated digital sensor chip ensures fast response times and strong resistance to interference, making it ideal for smart automation applications.

This sensor connects to compatible SONOFF devices via an RJ11 connector, and this version includes a RJ11 converter for easy compatibility with supported smart controllers. Once connected, the sensor sends temperature and humidity data directly to your SONOFF device, enabling smart automation through the eWeLink app.

With a wide measurement range, the SI7021 can monitor environmental conditions in homes, offices, greenhouses, server rooms, and other temperature-sensitive environments. The included cable provides flexible installation, allowing the sensor to be placed where readings are most accurate while keeping the main device safely mounted nearby.