Monitor and manage your electrical consumption accurately with this advanced digital power meter featuring comprehensive electrical parameter measurement capabilities. Designed to measure voltage, current, active power, and energy simultaneously, it provides real-time data on a large-screen LCD display for easy reading and efficient monitoring. Key Features: · Precise Electrical Parameter Measurement: Accurately measures voltage, current, active power, and cumulative energy consumption to give you a complete overview of your electrical usage. · Overload Alarm Function: Built-in overload alarm with adjustable power threshold triggers visual alerts through backlight and power flashing to prevent damage and enhance safety. · Power Alarm Threshold Preset: Allows you to set a custom power alarm threshold, enabling proactive energy management and load control. · Backlight with Memory Function: Easily turn the backlight on or off with a short press; the backlight status is saved even when power is off to ensure convenient use in any lighting condition. · Energy Reset Function: Includes a reset key to clear the recorded energy data, allowing for fresh tracking periods and simplified monitoring. · Large LCD Display: Simultaneously shows voltage, current, power, and energy parameters in clear digits for quick and comprehensive data interpretation. · Data Retention on Power Off: Stores measurement data safely when the device is powered off, preserving important information without interruption. Specifications: · Working Voltage: 80~260VAC · Test Voltage Range: 80~260VAC · Rated Current: 20A · Rated Power: 4500W · Operating Frequency: 45-65Hz · Measurement Accuracy: Grade 1.0 · Power Measurement Range: 0~4.5kW (Displays 0.0~999.9W below 1kW and 1000~4500W above 1kW) · Energy Measurement Range: 0~9999kWh (Displays 0~9999Wh below 10kWh and 10~9999kWh above 10kWh) · Voltage Measurement Range/Display: 80~260V · Current Measurement Range/Display: 0~20A (0.00~20.00 display format) · Weight: Approx. 84g Package Includes: · 1 x Digital Electrical Power Meter This digital power meter is an essential tool for precise energy monitoring and management in residential and commercial settings. Its combination of accuracy, ease of use, and safety features makes it ideal for optimizing electrical consumption and protecting your electrical devices.