Displays 6 parameters simultaneously. Voltage range: AC 40-300V, Current range: 0-100A, Active power: 0-30,000W, Electrical energy: 0-99,999 kWh, Frequency: 45-65Hz, Power factor: 0.00-1.00PF. Data for electrical energy is stored and saved when the power is off; this wattmeter continues to accumulate data when the power is reconnected. Multiple measurement needs can be met by resetting the data. Press the reset button for five seconds to reset the kWh usage meter. Features 6 different display colors and a 178° field of view without blind spots. With a backlight function, this single-phase AC power meter is clearly visible day or night. This single-phase electricity consumption meter is made of high-quality flame-retardant ABS material and a precision chip, ensuring safe use. Real-time monitoring of household electricity consumption helps you reduce energy usage and save money. This 6-in-1 electricity consumption monitor is easy to install and can be used indoors or outdoors. It is suitable for homes, schools, markets, industries, laboratories, etc. Note: This energy meter can be used to measure non-standard sine waves from inverters. 6-in-1 Electricity Consumption Monitor This single-phase energy meter can simultaneously measure AC voltage, AC current, active power, power factor, frequency, and electrical energy. The power meter features a colorful, full-screen, high-definition LCD display to show measurement parameters. Main Function: Electrical parameter measurement function Data reset Data storage during power outages Colorful, full-screen, high-definition LCD display Backlight function Specification: External TC Color: As shown Material: ABS Package Contents: 1 pc x AC Monitor Only the above package content is included; other products are not. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real object. The allowed measurement error is +/- 1-3 cm.