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