Wide Electrical Ranges: Accurately measure electrical potential from 5V to 50V, providing precise data for different photovoltaic units to meet your specific needs This energy tester accommodates a wide array of energy evaluations, ensuring compatibility with various photovoltaic systems for functionality High Accuracy Evaluations: ±0.8% accuracy with data updates, enabling exact assessment of photovoltaic systems and enhances efficiency Color Display for Easy Reading: Features a clear color screen, this energy tester ensures easy readability of evaluations result in all lighting conditions, enhancing user Weatherproof & Build: Constructed with a weatherproof and dustproof casing, this tester ensures operate in various weather conditions, making it ideal for both home and industrial applications, Manufacturer: ERRORY