Includes all taxes
SONOFF TH Elite 16A/20A Smart Temperature & Humidity WiFi Switch Dry Contact Real Time Monitoring via eWeLink Alexa Google
SONOFF TH Elite is a Smart Temperature and Humidity monitoring switch with an LCD screen. TH Elite keeps monitoring the temperature and humidity in real-time, once they reach your preset threshold or the device's on/off state changes, you will receive the push notification on the phone. Support to connect 20A Max high load equipment like electric floor heating. You can replace your dry contact outputted traditional thermostat with TH Elite, to control the combi boiler or any other systems controlled by the ordinary switch. TH Elite support to review 6-Month Temp & Humi historical data. Support adding SONOFF devices to Home Assistant for control and automation through eWeLink add-on. TH Elite turns your traditional thermostat into smart, automates your irrigation system, and gives you an easy way to monitor the temperature and humidity.
SONOFF TH Elite supports three kinds of temperature monitor and humidity monitor sensors—Si7021, AM2301 Temp & Humi Sensor, DS18B20 waterproof Temp sensor, and MS01 Soil Moisture Sensor. The sensor connector is upgraded to RJ9 4P4C, supporting hot-plugging making the connection more stable and reliable.
The RL560 sensor extension cable can connect the SONOFF temperature and humidity sensors to extend your device's distance. AM2301, DS18B20, Si7021 can be extended to 60M, and MS01 Soil Moisture Sensor can be extended to 10M.
NOTE: DS18B20 has been replaced by upgarded version WTS01.
Oversea warehouse provides DS18B20 set currently.
Any concerns about the product, please contact our cutsomer service.



You Safety, Our Responsibility
1. Strictly selects UL safety components and RoHS environmental protection materials to design the products.
2. The high-grade flame-retardant shell material is used.
3. Cut off high voltage generated by a lightning strike or unstable power supply when thundering.

Different Sensors for Different Scenes
The sensor connector is upgraded to RJ9 4P4C, supporting hot plugging making the connection more stable and reliable.

Dry Contact (volt-free contact)
Dry contact output acts as a “switch”, controlling the on/off state of the circuit only but not powering it. Replace your dry contact outputted traditional thermostat with TH, to control the combi boiler or any other systems controlled by the ordinary switch.
*The output state of normally open dry contact is consistent with power relay, are not available to be controlled separately now.

Reliable Temp & Humi Control
TH supports LAN control, Wi-Fi disconnected will not affect the operation of your device.

6-month Temp & Humi History Data
Support to review the temp & humi history data by hour, day and month. Past 6-month history data can be exported in .xlsx format and accurate to hour.

Timely Notifications
TH keeps monitoring the temperature and humidity in real time, once they reach your preset threshold or the device’s on/off state changes, you will receive the Push notification on the phone.


Voice Control

Works With Apple Home Via Matter Bridge
Seamlessly connect SONOFF WiFi devices to Matter via CUBE OS built-in Matter Bridge-- free, local, and ready for Apple Home, Google Home, Alexa, SmartThings, and Home Assistant.





Product Details




Payment Policy – BILLIONS BIRDS
At BILLIONS BIRDS, we are committed to providing a safe, secure, and seamless payment experience for our customers.
1. Accepted Payment Methods
We accept the following payment options:
Major Credit & Debit Cards (Visa, MasterCard, American Express)
Secure Online Payment Gateways (such as PayPal, Stripe, or other providers available at checkout)
Any additional payment methods displayed during checkout
All payments must be completed in full at the time of purchase.
2. Secure Transactions
All transactions are processed through encrypted and secure payment systems to protect your personal and financial information. We do not store your full payment details on our servers.
3. Currency
Prices are displayed in the currency indicated on the website. If you are purchasing from another country, your bank may apply currency conversion fees.
4. Order Confirmation
Once your payment has been successfully processed, you will receive an order confirmation email containing your purchase details.
5. Failed or Declined Payments
If your payment is declined, please verify your billing information or contact your bank. Orders will only be processed after successful payment confirmation.
6. Fraud Prevention
BILLIONS BIRDS reserves the right to cancel or refuse any order if fraud or unauthorised activity is suspected.
Delivery Policy – BILLIONS BIRDS
At BILLIONS BIRDS, we are dedicated to delivering your orders safely and efficiently.
1. Order Processing
All orders are processed within 1–3 business days after payment confirmation. Orders are not processed or shipped on weekends or public holidays.
2. Shipping Times
Estimated delivery times vary depending on your location:
Domestic Shipping: 3–7 business days
International Shipping: 7–15 business days
Please note that delivery times are estimates and may vary due to customs procedures, carrier delays, weather conditions, or other unforeseen circumstances.
3. Shipping Costs
Shipping fees are calculated at checkout based on your location and selected shipping method. Any customs duties, taxes, or import fees are the customer's responsibility.
4. Tracking Information
Once your order has been shipped, you will receive a confirmation email with tracking details (if available) so you can monitor your package.
5. Delivery Issues
If your order is delayed, lost, or arrives damaged, please contact us within 7 days of the expected delivery date. We will work with the shipping carrier to resolve the issue as quickly as possible.
6. Incorrect Shipping Information
Customers are responsible for providing accurate shipping details at checkout. BILLIONS BIRDS is not responsible for orders shipped to incorrect addresses provided by the customer.
Refund Policy – BILLIONS BIRDS
At BILLIONS BIRDS, customer satisfaction is our top priority. If you are not completely satisfied with your purchase, we’re here to help.
1. Return Eligibility
You may request a return within 14 days of receiving your order. To qualify for a return:
The item must be unused, unworn, and in the same condition as received.
The item must be in its original packaging.
Proof of purchase (order confirmation or receipt) is required.
Certain items may not be eligible for return, including clearance items, gift cards, or personalised/custom products.
2. Non-Refundable Items
The following items are non-refundable:
Final sale or discounted items
Gift cards
Items damaged due to misuse, negligence, or improper care
3. Return Process
To initiate a return, please contact our customer support team with your order number and reason for return. If your return is approved, you will receive instructions for returning the item.
Unless the item is defective or incorrect, customers are responsible for return shipping costs.
4. Refund Processing
Once we receive and inspect your returned item:
We will notify you of the approval or rejection of your refund.
If approved, the refund will be issued to your original payment method within 5–10 business days.
Please note that banks or payment providers may require additional time to process refunds.
5. Damaged or Incorrect Items
If you receive a damaged, defective, or incorrect item, please contact us within 7 days of delivery and provide clear photos of the product and packaging. We will arrange a replacement or full refund at no additional cost.
6. Late or Missing Refunds
If you have not received your refund:
Check your bank account again.
Contact your credit card company or payment provider.
If the issue persists, don't hesitate to contact our support team for assistance.
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