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 an overload alarm function, allowing users to set custom power alarm thresholds. 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 durability and secure installation. Suitable for various applications including distribution cabinets, appliance maintenance, assembly line testing, and photovoltaic systems. Parameters: Voltage test range: 80–260V Current test range: 0–100A Power test range: 0–22000W Frequency test range: 45–65Hz Power factor test range: 0–1PF Energy consumption test range: 0–999kWh Specifications: Open CT Color: Black Material: Nylon Type: 100A Package Contents: 1 x AC Digital Display Meter (Other items not included) Note: Lighting and display differences may cause slight color variation between the image and the actual item. Measurement may vary by ±1–3cm.