1Practical: This solar panel multimeter can test the maximum power point and open circuit voltage. 2Multiple Detection: Solar panel MPPT tester has AUTO MPPT detection and manual MPPT detection. No additional power supply required 3Safety Assurance: Solar panel MPPT meter has over voltage, over temperature, over current protection, safe and reliable. 4Reverse Connection And Power Protection: MPPT tester has solar panel reverse connection protection and over rated power protection. 5Durable Material: The LCD MPPT solar panel multimeter is made of high quality ABS material and is robust and corrosion resistant for a long service life. Item Type: Solar Panel Multimeter Material: ABS Size: Approx. 165x80x30mm / 6.5x3.1x1.2in Model: EY800W 3rd Generation Power: 5-800W Voltage: 12-60V Current: 0-35A Power mode: Solar Panel Power Features: LCD Display Function Target Audience: Solar Panel Manufacturers, Solar Panel Distributors, Solar Panel Installers, Solar Panel Users, Solar Panel Fans TROUBLESHOOTING ERRORCAUSEEXPLANATION No displayReverse connection protectionPlease check the input polarity Display over powerOver rated powerUsing within the rated power range of the instrument Display over temperatureOver temperature protectionTo be used after cooling Display over voltageOver voltage protectionUsing within the rated voltage range of the instrument Display over currentOver current protectionUsing within the rated current range of the instrument 1 x Solar Panel Multimeter 2 x Connection Cable 2 x Clip Cable 1 x English Manual 1 x EVA Kit