Feature:1. Easy to Operate: The multimeter can detect automatic MPPT, manual MPPT detection without additional power supply.2. Protection: The solar panel MPPT tester has over voltage, over temperature, over current protection, and over rated power protection.3. Upgraded: This LCD solar photovoltaic panel multimeter belongs to the second generation upgrade series with backlight.4. Function: Solar panel multimeter is used to test the maximum power point and open circuit voltage of photovoltaic panels.5. High Quality Material: This solar panel multimeter is made of high quality ABS material, which is strong, stable and durable.How to Use:1. Automatic MPPT detection method: When the automatic MPPT test button is pressed, the instrument automatically adjusts the current power value of the test interval time according to the test results and refreshes the digital display.Example: When the power of the solar panel is 100W, it refreshes every 5 seconds; when the power is 300W, it refreshes every 15 seconds.2. Manual MPPT test method: When the manual MPPT test button is pressed, the instrument starts to scan the maximum power point and refreshes the digital display.Specification:Item Type: MultimeterMaterial: ABSModel: EL400B Second GenerationSize: Appr