Offering models from 100W ~ 500W with ±0.8% accuracy, this solar panel tester provides measurements of solar power systems and features a solar readable color screen and design Ideal for outdoor solar panel installation and industrial maintenance work / Water resistance ensures clear visibility under direct sunlight and consistent operation in harsh environments Combining multi-range compatibility with laboratory-level accuracy, this meter simplifies the diagnosis of solar arrays and optimizes energy output efficiency throughout a variety of solar powered configurations With 12V-50V voltage test and 0A-10A current detection, this device updates real-time data via high-contrast LCD display and is packed in ABS case for all-weather reliability Designed for solar installers, technicians and enthusiasts who maintain a residential or commercial solar setup that requires superior equipment, Manufacturer: QYSH-MXW