Features: * Brand new and high quality. * This DTSU666 multi-functional energy meter is a smart meter with various measurement and display options for 3 AC, network. This energy meter is the ideal tool for measuring active and reactive energy in systems with energy consumers and producers, such as photovoltaics or wind turbines. * Direct operation via buttons on the front * Directly readable meter readings (kWh) for import and export, kVArh, V, A, W, Var, VA, PF, Hz * DTSU666 smart power sensor supports communication via RS485, so you can also read from another place. For this purpose, it uses the Modbus-RTU communication protocol. Specification: * Material: ABS * Color: white + blue * Dimensions: 98*72mm * Voltage: 3 220/380V * Rated current: 5 (80) A * Reference frequency: 50HZ Package includes: 1 * electricity meter Notes: Please check the size clearly before purchasing, do not judge the size by photos or imagination! Please allow 2-3cm errors due to manual measurement. Item color displayed in photos may appear slightly different on your computer monitor since monitors are not calibrated same. Thank you for your understanding.