This is a high-precision AC digital display meter that accurately measures and displays voltage, current, power, energy consumption, frequency, and power factor of AC power grid electrical equipment in real time, helping users monitor equipment operation status effectively. Features a full LCD display with large screen for clear and easy reading. Equipped with overload alarm function; power alarm threshold can be set manually. Backlight control allows turning the backlight on or off with a short button press; backlight status is saved automatically after power off. Constructed with reinforced nylon material and a three-point buckle design for secure and durable installation. Suitable for various applications including distribution cabinets, electrical appliance maintenance, assembly line testing, and photovoltaic systems. Parameters: Voltage test range: 80260V Current test range: 0100A Power test range: 022000W Frequency test range: 4565Hz Power factor test range: 01PF Energy consumption test range: 0999kWh Color: Black Material: Nylon Model: 100A Package Contents: 1 x AC Digital Display Meter Note: The package includes only the items listed above. Other accessories are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance is 13cm.