Features: This energy tester accommodates a wide array of energy evaluations, ensuring compatibility with various photovoltaic systems for improved functionality. Wide Electrical Ranges: Accurately measure electrical potential from 5V to 50V, providing precise data for different photovoltaic units to meet your specific needs. High Accuracy Evaluation: Offers ±0.8% accuracy with data updates, enabling exact assessment of photovoltaic system performances and enhances efficiency. Color Display for Easy Reading: Features a clear color screen, this energy tester ensures easy readability of evaluation result in all lighting conditions, enhancing user experience. Weatherproof & Build: Constructed with a weatherproof and dustproof casing, this tester ensures reliable operation in various weather conditions, making it ideal for both home and industrial applications. Specifications: Material: ABS Voltage: 5V to 50V Accuracy: ±0.8% Size: about. 15x8x3cm/5.9x3.14x1.18in Pattern: 100W/200W/300W/500W Package Includes: 1pc Solar Panel Tester note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.