LCD Display: Features a clear LCD with backlight for easy operation. Multifunctional: 1600W PV panel multimeter with auto/manual modes, measures max power point, voltage, current, and open circuit voltage. Auto Mode: Press [Auto MPPT] for automatic testing; adjusts interval time based on power value and refreshes display. Manual Mode: Press [Manual MPPT] to test manually; adjusts interval time by power value and refreshes display. Solar Powered: Uses solar panel (not included), no battery needed��energy-efficient. Protections: Includes over temperature, voltage, current, reverse connection, and rated power protections. Applications: Ideal for PV panel manufacturers, operators, installers, users, and enthusiasts. Model: EY1600W Power Supply: Solar panel Voltage Range: 12-60V Current Range: 0-60A Color: As shown Material: Plastic Package: 1 x Solar Panel Multimeter 1 x Connecting Cable 1 x Alligator Clip Cable 1 x EVA Bag Note: Colors may vary slightly due to lighting or display differences. Measurement tolerance: +/- 1-3cm.