Includes all taxes
85-290V WiFi Power Meter KWS-306WF Digital Energy Tester Current Voltage Protector Relay Switch Color Screen 3P Guide Rail Table
This 3P energy meter has a higher definition interface, more accurate data display, more convenient operation, safer electricity use. Voltage, current, power, timing, electric energy, temperature, frequency and power factor 8in1 design, convenient for users to understand the use of electric energy, realize the visualization of electricity consumption. Standard guide rail installation, suitable for apartments, companies, shopping malls, hotels, family homes, and so on.
Specifications:
Pls Note:
①KWS-306WF (with WIFI )
②KWS-306L (without WIFI and with RS485 communication)
③KWS-306 (without WIFI )
●Name: 8in1 Energy Meter
●Material: ABS+PC+VO
●Model: KWS-302WF, KWS-302L, KWS-302 (optional)
①KWS-306WF (with WIFI )
②KWS-306L (without WIFI and with RS485 communication)
③KWS-306 (without WIFI )
●Voltage measurement ranges: 85-290V
●Current measurement ranges: 0-80A
●Power measurement ranges: 0-23KW
●Timing measurement ranges: 999Hrs
●Electricity measurement ranges: 0-9999999Kwh
●Temperature rangeminus: -20-150℃
●Frequency measurement ranges: 50-60Hz
●Power factor: 0.00-1.00PF
●Power failure memory: KWS-306WF Yes, KWS-306L Yes, KWS-306 Yes
●Under-voltage protecting: KWS-306WF Yes, KWS-306L Yes, KWS-306 Yes
●Over-voltage protecting: KWS-306WF Yes, KWS-306L Yes, KWS-306 Yes
●Overcurrent protection:KWS-306WF Yes, KWS-306L Yes, KWS-306 Yes
●Over power protection:KWS-306WF Yes, KWS-306L Yes, KWS-306 Yes
●Overvoltage protection:KWS-306WF Yes, KWS-306L Yes, KWS-306 Yes
●Voltage imbalance protection:KWS-306WF Yes, KWS-306L Yes, KWS-306 Yes
●Current imbalance protection:KWS-306WF Yes, KWS-306L Yes, KWS-306 Yes
●Over Temperature Protection:KWS-306WF Yes, KWS-306L Yes, KWS-306 Yes
●WIFI: KWS-306WF Yes;KWS-306L None,KWS-306 None.
Communication address setting (this function is open only for *KWS-306L-with-RS485 version)
Communication address is 001
1. Enter setting by pressing M key to select code display 14, click once + - key to adjust 1 address bit, long press + - key without releasing to enter fast add or subtract, long press M key for 3 seconds to save and return to main page.
2. Manually press the shutdown OFF key to disconnect the magnetic protector
3. automatically appear to protect the shutdown power off, the bottom right corner of the screen will appear in the code, with the corresponding code to the top to see which one of the setup problems.
APP Function (Only KWS-306WF Support)
1.APP download mode can scan the code to download, you can also search through the mobile phone software centre (Smart Life or Tuya APP).
2.WIFI connection or reset operation: Long press the + button under the home screen until the top right corner of the screen.When the WIFI logo blinks, then open the mobile phone APP to connect.

















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.
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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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