Check the listing for details. 1600W MPPT Solar Analyzer: Open-Circuit Voltage & Power Fault Detection. Condition: New, Made in United States. Listed at 60.32 USD. Features:* It can be used to test the maximum power point and open-circuit voltage of photovoltaic panels* Over-temperature protection: When the multimeter reaches 60°C, the multimeter will show "over-temperature". Wait for it to cool down before using this device again.* Over-voltage protection: When the input voltage of the multimeter exceeds 60V, the multimeter will display "over-voltage". Please use the tester within 12-60V.* Over-current protection: When the input current of the multimeter exceeds 35A, it will display "over-current". Please use it within 35A.* Reverse connection protection: When the positive and negative inputs of the multimeter are connected reversely, there is no display. Please check the input polari.