Sonoff THR320 20A Smart Temperature & Humidity Monitoring Switch

High-Load Smart Switching with Climate Intelligence

The Sonoff THR320 20A Smart Temperature & Humidity Monitoring Switch is the heavy-duty version of the THR series — designed for high-load applications like geysers, pool pumps, industrial heaters, and large air conditioners. With 20A capacity and built-in climate monitoring, it automates your most power-hungry appliances based on real temperature and humidity conditions.

• 20A high-load relay — suitable for geysers, pool pumps, and large appliances
• Built-in temperature and humidity monitoring via external sensor (THS01 compatible)
• Automatically trigger on/off based on temperature or humidity thresholds
• Remote control and monitoring via the eWeLink app from anywhere
• Set schedules, timers, and smart automations
• Compatible with Amazon Alexa and Google Home voice control
• Works with Home Assistant via eWeLink integration
• Clear display shows real-time temperature and humidity readings

Heavy-duty loads, intelligent control — the THR320 handles your biggest appliances with smart precision.