Specifications: Product name: AT4PW Wifi networking 4P rail meter Voice Control: Support Power range: 0-26.5KW Mobile phone remote: support Wifi remote operation Built-in relay switch: support Power-off memory: support Measurement accuracy: ±1% Power statistics: support Power-off memory: support Current and voltage range: AC85-265v 50 /60Hz 0-100A Bluetooth connection: not supported Wifi networking: support Formaldehyde concentration: supported when is normal Temperature/Calendar: Supported when internet connection is normal Air humidity: supported when is normal Material: ABS colour: white Package Contents: 1 x Smart meter 1 x English User Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Through the smart life APP, you can realize the remote operation of the mobile phone, you can add multiple sets of timing data, and set the power-. When the power- is over, you can automatically disconnect the power supply, or turn on the power. Remote switch on and off the meter to avoid arrears/non-payment of electricity bills, and remote power off Add a "smart switch" to the meter, and the mobile phone can remotely add a timing function: Description: The high-end and high-cost 2.4-inch high-definition color Chinese and English display screen brings a different color visual experience, and a variety of functional interface contents are designed. Various parameters are displayed on one screen, and different functional interfaces can be switched by short pressing the button, etc. The power data reset function can also reset the power of the mobile phone remotely: The reset function can easily test the power consumption of and equipment, and the operation method is simple and easy to use.