Sonoff Wi-Fi Smart Relay With Sensor Input (230V / 16A)

by Sonoff

A Wi-Fi-enabled smart relay that can be triggered automatically by a temperature, humidity, or soil moisture sensor.

This Wi-Fi-enabled smart relay brings remote control, automation, and sensor integration to a whole new level, making it the perfect partner for managing temperature, humidity, and soil moisture in your home or garden.

Perfect for humidification/dehumidification control, fan or heater automation, pool pump or jacuzzi management, or irrigation systems for gardens and greenhouses.

Why We Love It

Whether you're fine-tuning your greenhouse environment, automating home comfort, or keeping your pool sparkling clean, the Sonoff THR316 is the all-in-one smart relay that puts precision and convenience at your fingertips.

  • Smart Sensor Integration: Connect compatible temperature, humidity, or soil moisture sensors for real-time monitoring and automatic adjustments.
  • Two Operating Modes: Toggle the output manually via the app or configure automatic thresholds to trigger actions based on sensor readings.
  • Cloud Data Storage: Access up to 6 months of sensor measurement history, displayed as detailed graphs in the app.
  • Push Notifications: Stay informed with instant alerts for relay status changes or threshold breaches.
  • DIN Rail Mountable: Includes an adapter for effortless installation in an electric distribution box.
  • No Hub Needed: Connect directly to your home Wi-Fi (2.4 GHz).
  • Bluetooth Easy Setup: Pair quickly and easily via the eWeLink app.
  • Powerful App Features:
    • View the current relay status in real-time.
    • Set timers, schedules, and countdowns.
    • Share control with family members or group devices by room.
    • Use Smart Control Scenes to link multiple Sonoff or SmartWise devices seamlessly.

* Note: This product requires mains wiring knowledge. Please ensure you have the skills and information to install it safely or consult a qualified electrician.

Tech Specs

  • Power: 100–240V @ 50/60Hz (16A max)
  • Connectivity: 2.4GHz Wi-Fi 802.11 b/g/n
  • Mounting: DIN rail