Features: AC485 serial-communication module power meter is a powerful electrical measurement instrument that can communicate with other devices through RS485 serial-port, enabling data transmission and remote control functions. This power meter has a wide voltage-range, from 80V to 260V, suitable for various types of power-systems and-places. It also comes with multiple measurement parameters, including voltage, current, power factor, frequency, etc., which can help-users understand the status-of their power system comprehensively. Through the 485 serial-port, this power meter can communicate with other devices such as computers, etc. Users can obtain real-time data of the-power meter through this method-to better monitor and manage their power system. In addition, various settings and operations of the-power meter can be controlled through remote control commands, achieving automation-control and intelligent management. In summary, the AC-485 serial-communication module power meter is a high-performance electrical measurement instrument with wide applicability and reliability. It can provide accurate electrical parameter measurement results-for users and realize remote control and intelligent management functions. Specifications: Material:ABS Size:Approx.7.55x4.55cm/2.97x1.79inch Measuring range: 80-260V Color:Black Configuration: excluding 485 module/including 485 module Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1 Set Ammeter