Features Advanced Digital Multimeter: With 7 functions in 1, this power meter can simultaneously measure and display voltage, current, power, energy, timing, temperature, and power factor. Its built in sensors allow for versatile installation options. Energy and Timing Calculation Efficiency: Effortlessly manage timing and energy calculations with the intuitive operation of long pressing the triangle key for timer flashing, pressing the M key to clear timing, double clicking the M key to switch to energy measurement, and a single click to reset to 0, with power loss memory function for added convenience. Versatile Utility: Good for a wide range of applications including industrial and mining enterprises, metallurgy, complete equipment, and various electrical control devices, this electrical meter is a reliable and versatile tool for diverse electrical needs. Crystal Clear Display: Experience exceptional visual clarity with the HD color LCD screen and backlit feature, making it effortless to read and interpret the displayed data for an optimal visual experience. Accuracy Measurement Range: Covering a voltage range of AC50‑300V, current range of 0‑20A, and power range of 0‑4400W, this electrical tester ensures accurate readings for various electrical parameters. Specification: Item Type: AC Voltmeter Ammeter Product Material: ABS, PC, Fireproof Current: 0-20A Power: 0-4400W Electric energy: 0.01-19999Kwh Timing: 0-200H Temperature: -9 ℃ to 99 ℃ How to Use: 1. Click the MENU button on the panel to view the current and cumulative battery usage. 2. Timing and battery clearing methods: Press and hold the MENU button on the panel for 5 seconds. When the number in the timing area flashes, click the button 3. It can be selected, timed, and reset. When flashing in the digital area, quickly double click the button to reset. 4. Press and hold the button for 5 seconds to enter the save settings. PackageList: 1 x AC Voltmeter Ammeter 1 x Data Cable 1 x Manual Package List 1 x AC Voltmeter Ammeter 1 x Data Cable 1 x Manual