6 in 1 Multifunction Digital Meter AC Voltage Power Frequency Monitor

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

What's in the box
1 x Frequency Monitor