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 a large screen for clear and easy readability. Includes an overload alarm function with user-settable power alarm threshold. Backlight can be turned on or off by short-pressing a button; backlight status is automatically saved 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: 80–260V Current test range: 0–10A Power test range: 0–2200W Frequency test range: 45–65Hz Power factor test range: 0–1PF Energy consumption test range: 0–999kWh Color: Black Material: Nylon Package Contents: 1 x AC Digital Display Meter Note: Light reflection and differences in display screens may cause slight variations in the item's color as seen in images. Measurement error allowance is ±1–3cm.