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Description: 1. Click the "+" or "-" button to switch to other functional test interfaces 2. Long press the "M" key to enter the background, click the "+" or "-" key to switch between Chinese and English interface display, Click the "M" key to switch to the next option, click the "+" or "-" key to set Numerical value 3. Long press the "+" or "-" button the device turn ON or OFF 4. Click the "+" or "-" button to switch to the electricity bill setting interface, and then click the "M" button to set the unit price of the electricity bill. Click the "+" or "-" button to adjust the value. Long press "M" key to confirm OK! 5. Click the "+" or "-" button to switch to the security protection setting interface, and then click the "M" button to set the overvoltage protection, overpower protection, and undervoltage protection, click "+" or "-" key to adjust the value, long press the "M" key to confirm OK! Specification: 1. MOQ: 25PCS 2. Warranty:1 year 3. Brand: OEM/ODM 4. Origin: China 5. Net weight: 253g 6. Size:76*76*97mm 7. Product name: AT4PW Wifi networking 4P rail meter 8. Voice Control: Support 9. Power range: 0-26.5KW 10. Mobile phone remote: support Wifi remote operation 11. Built-in relay switch: support 12. Power-off memory: support 13. Measurement accuracy: ±1% 14. Power statistics: support 15. Power-off memory: support 16. Current and voltage range: AC85-265v 50 /60Hz 0-100A 17. Bluetooth connection: not supported 18. Wifi networking: support 19. Formaldehyde concentration: supported when is normal 20. Temperature/Calendar: Supported when internet connection is normal 21. Air humidity: supported when is normal 22. Power Supply: AC 23. Rated Voltage: 220V Package Including: 1 *Smart Meter | ||||||||

Okystar Technology Co., Ltd is subsidiary of Okystar Technology Group Co., Ltd, which holds 4 subsidiary companies and more than 1500 skilled workers,50 technicians.Okystar Tech Co.,Ltd was built in 2004.
After years of development, our company has grown into a large high-tech group corporation integrating industry, technology and trading. With electronic information industry as our main business, we keep being top 10 in the board, shield, sensor, modules
Our advantage:
1.More than 5,000,000 ownstock inventory to meet your needs of different products.
2.Competitive price advantage helps to save your purchase cost and your precious time.
3.Own the international advanced testing equipment of electronic components and scientific storage system to ensure the quality stability.
4.Excellent elite team, more than 8 years seniority, and a good understanding of international market trends.




1.Are you a manufacturer or trading company ?
Okystar is a directly manufacturing factory,and we have own export sales team.
2.Does your products can be ODM or OEM?
Yes,of course.OEM and OEM service are available from here.we can customize logo or packing as your request.
3.What's the warranty of your product?
1-2 years warranty according to different products.
1-3 months to replace new items for free.
About controller board module,we support 2 years warranty for free.
4.What is the terms of payment?
Money Gram,T/T,Paypal,Western Union,Alipay and L/C.
If you want to pay by Credit card,we suggest you to place order on Alibaba.
5.Do you have any technical support?
We have professional technological engineer,they will provide different tutorials and solutions.
6.Can i visit your company?
We welcome you to visit us.you can choose it from our showroom directly.If you have any other product request,we can discuss it face to face.
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