[6 in 1 Multimeter] One interface displays 6 parameters simultaneously. Voltage measurement range: AC 40-300V, current measurement range: 0-100A, active power: 0-30000W, electrical energy: 0-99999kWh, frequency: 45-65Hz, power factor: 0.00-1.00PF [Data storage function] 1. When the power is turned off, the electrical energy data is stored and memorized. When the power is restored, the electricity meter continues to accumulate data. 2. Reset data to meet different measurement requirements. Press the reset button for five seconds to reset the kilowatt hour meter. [Safety and high precision] This single-phase power consumption meter is made of high-quality ABS flame retardants and cutting tools, which are safe to use. Real-time monitoring of household electricity can help you reduce energy consumption and save money. [Better visual experience] High-definition LCD color screen, wide viewing angle 178°, no dead angle, with backlight function, this AC electricity meter is clearly visible in single phase regardless of day or night. [Wide application] This electrical monitor is easy to install and is widely used in schools, markets, families, industries, laboratories, etc. Note: This energy meter can be used to measure the non-standard sine wave of the inverter. Monitor your energy usage with this comprehensive 6-in-1 multimeter! Measures voltage, current, power, energy, frequency, and power factor. Features data storage to track energy consumption even after power outages. Made with high-quality, flame-retardant ABS for safe and reliable use. Boasts a high-definition LCD color screen for clear visibility, day or night. Easy to install and widely applicable in various settings. Perfect for monitoring household electricity and saving money.