The cable length is 50 cm.
Sonoff Soil Moisture Sensor
Never forget to water your plants again — this sensor tells your phone when the soil is too dry and can trigger an automatic pump.
13 $
What people use it for
- Indoor Plantsmonitor and care for your indoor plants from your phone — temperature, humidity, and watering all in one.
- Plant Careavoid over-watering or under-watering your plants — get the right amount every time.
- Soil Temptrack the temperature of your soil from your phone — keep your plants growing healthy.
Available
Good to know
- Does not work on its own — plugs into a Sonoff TH Elite or Sonoff TH Origin switch.
- Once connected, you can automate a water pump or irrigation valve to run based on soil moisture readings.
Smartio Guarantee
- Free Delivery on orders above $50
- 14-Day Exchange for unopened items
- Local Support on WhatsApp: +961 71 791 103
- Cash on Delivery available across Lebanon
What people use it for
- Indoor Plantsmonitor and care for your indoor plants from your phone — temperature, humidity, and watering all in one.
- Plant Careavoid over-watering or under-watering your plants — get the right amount every time.
- Soil Temptrack the temperature of your soil from your phone — keep your plants growing healthy.
Product Information
Sonoff Soil Moisture Sensor (MS01)
This sensor measures the moisture level of your soil and sends the reading to your phone through the eWeLink app. Plug it into a Sonoff TH Elite or Sonoff TH Origin smart switch, and you can set up automations — like turning on a water pump automatically when the soil gets too dry.
Great for plant lovers, balcony gardens, and small greenhouses.
Key Features:
- Real-Time Soil Moisture: Check how moist or dry your soil is from your phone.
- Automatic Watering: Pair with a TH Elite/Origin + water pump to water your plants automatically when the soil is dry.
- Phone Alerts: Get notified when moisture drops below your set level.
- Easy Connection: Plugs directly into the TH Elite or TH Origin using an RJ9 cable (like a phone cable).
💡 Pro Tip: Pair this sensor with a Sonoff TH Elite and a small water pump to build a fully automatic watering system for your balcony plants. Set the TH Elite to turn on the pump when soil moisture drops below 30%.
Specifications
What's in the Box

Delivery, Returns & Warranty
Delivery
Enjoy free standard delivery across Lebanon on orders over $50, or free pickup on orders over $30. We also offer same-day delivery options. For more details, visit our delivery information page.
Returns
We provide a 15-day return window for all orders, subject to certain exclusions. Please note that cash refunds are not available. For complete details, visit our return policy page.
Warranty
Our products are warranted to be free from manufacturing defects. If a product sold by us is found to be defective, we will, at our discretion, repair or replace it with a new one. Certain exclusions apply. For full details, please review our warranty policy page.
Buying a gift? Select gift-wrap at checkout (extra cost).
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1 verified review from real customers
Sonoff Soil Moisture Sensor
Works with TH Elite/TH Origin to monitor your plants’ soil moisture. DIY your sprinkler to water automatically according to the setting moisture value.



No, it requires a compatible Sonoff TH Elite or TH Origin controller to function and transmit moisture data.
The cable length is 50cm. You can extend it using the Sonoff Sensor Extension Cable.
The sensor can operate up to 10 meters from the controller.
Yes, you can house the controller in any IP65-rated enclosure to protect it from the elements.
This product comes with a 6-month warranty covering factory defects. If you experience any issues, contact Smartio within the warranty period.