Features: Upgrades your solar testing with the Photovoltaic Multimeter, featuring backlits screen and doubled maximums testing capacity (5-1600W) for single or parallel connecting solar panel, while safeguarding against overloads up to 60A. This MPPT compatibility tool automatically measure voltages, current, and power output with precise, equipped with MC 4 cable and alligators clip for seamlessly compatibility across portability, marine, and rooftops systems. Ideal for solar technicians,boats owners, and DIY enthusiasts requiring accurate performances evaluation of photovoltaic module or optimizing panel placement angles. Test solar arrays on vehicles, marine vessels, or rooftops installations to diagnose system efficiency, identify underperforming panel, or compare quality across brands under world conditions. Operate batteryfree by directly connecting to solar panel, reinforced with ABS housing and quadruple protections (over voltages, current, temperature, and reverse polaritys) for reliable outdoor use. Specifications: Component:ABS Shell Size:Approx.16.5x6.3cm/6.5x2.48inch Power Sources:Solars Power Supply Power:5-1600W Voltages:12-60V Current:0-60A MultiProtection: Over Temperature/Over Voltages/Over Current Protections Package Includes: 1pc Solar Panel Tester 1set MC 4 Cable 1set Alligators Clip Cable 1pc Storage Bag 1pc Manual note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.