Includes all taxes
Tips before purchase!
①All products are fully inspected before shipment and are accompanied by a production traceability QR code, making after-sales follow-up more convenient
②The APP can be software upgraded, so you will always get the latest features and updates.
System Mode:
① Energy saving mode: stop heating immediately after reaching the set temperature, no longer floating
② PID comfort mode: after reaching the set temperature, float to the optimal temperature automatically calculated by PID
Mode Temperature (adjustable):
Comfort mode 20℃, ECO mode 15℃, Anti-freeze mode 5℃, OFF mode (valve completely closed)
Automatic: Weekly programming mode, Vocation mode (Turn on the anti-frost mode during the selected time period to prevent pipes from freezing)
【Tuya WiFi Smart TRV】-No ZigBee hub required! Connect this product directly to Tuya Smart/Smart Life APP
【APP Remote Control】-Control the radiator thermostatic valve anytime, anywhere through the mobile phone APP
【Voice Control】-Voice control TRV with a simple command

【Weekly Programming】-Customize the temperature for 7 days a week and 6 time periods a day according to your needs
【6 Adapters】-The package contains 6 different adapters, suitable for heating equipment of different sizes, simple installation, and installation guides are provided
【Temperature Calibration】-When there is a difference between the floor and air temperature, you can set the calibration value through the App to ensure that the final temperature reaches your ideal value
【Window Opening Detection】-When the temperature drops rapidly, the window opening can be sensed, and the valve will suspend heating for 30 minutes to achieve energy saving and environmental protection
【Visual Display】-Adjustable 3 levels of brightness, synchronized display of temperature and status with the APP
【Flexible Screen Rotation】-Both the APP and the device can adjust the up and down direction of the screen display to ensure that different installation directions can be used normally
【Child-Lock】-Ensure your home is in a smart and safe state
Technical Specifications
WIFI:2.4GHz
Power supply: 3*1.5V AA alkaline batteries (not included)
Standby current : 6μA Min
Protection class:IP20
Display accuracy:0.1℃
Switching deviation:0.5℃
Temperature calibration:-10~10℃
Default temperature adjustment range:5~35℃
Storage temperature: -20~70℃
Surface temperature: 90℃ max (heater surface)
Linear travel: 6mm
Thread size: M30*1.5mm
Dimension (W x H x D): 59.7mm x 95.3mm x 59.7mm
Screen brightness: high, medium, low
Package List
1*Radiator thermostatic valve
1*Instructions
6*Adapter

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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