Voltage, current, active power, battery , power frequency, and power factor on the interface. Values are saved when turned off, ensuring continuity in readings for power cycle. Widely used in electric power monitoring systems, schools, markets, household appliances, industries, and laboratories. Abs shell for safety, flame retardancy, and excellent chip for high in measurements. With 360° visual range, no blind area, and backlight function for clear visibility in any lighting conditions., Manufacturer: Ounfhtrttk