Comprehensive measurement functionality: This LED power meter accurately displays voltage, current, power, humidity, and accumulated energy, providing essential visibility into electrical system performance. Reset function for convenience: A simple press of the MENU button restores power and timer settings, allowing you to quickly reconfigure and continue tracking energy usage. Poweroff memory feature: The device remembers your last settings even after a power outage, so you do not lose track of your measurements. Specific operating range: Supports voltages from 50 to 300 V and currents up to 100 A or 120 A depending on the model, enabling a wide range of electrical applications. Practical use scenarios: Monitoring a home or workshop electrical panel to track realtime voltage, current, and energy consumption. Measuring power usage and timing on lab benches or test rigs during equipment development or testing. Observing charging and energy flow for battery systems, solar setups, or other energy storage configurations.