Features: Available in 100W to 500W models with ±0.8% accuracy, this solar panel tester delivers precise measurements for photovoltaic systems, featuring a sunlight readable color screen and waterproof design. Equipped with 12v-50v voltages testing and 0A-10amp current detection, the device offer real time data updates via its high contrast LCD display, housed in ABS casing for all weathers reliability. Designed for solar installers, technicians, and enthusiasts maintaining residential or commercial photovoltaic setups requiring good performances monitoring. Perfect for outdoor solar panel installations and industrial maintenance tasks, dust/water resistance ensures consistent operations in harsh environments with clear visibility under direct sunlight. Combining multi ranges compatibility with laboratory grade precisions, this meter simplifies solar array diagnostics while optimizing energy output efficiency across varied photovoltaic configurations. Specifications: Component: ABS Power mode: Solar panel power supply Current: 0-20A Voltages: 12-50V Type:100W,200W,300W,500W Size:Approx.12cm/4.72''x7cm/2.76'' Package Includes: 1Piece Solar Power Meter note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.