Specification: Item Type:SolarPanelMultimeter 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 TROUBLESHOOTINGERRORCAUSEEXPLANATIONNo displayReverse connection protectionPlease check the input polarityDisplay over powerOver rated powerUsing within the rated power range of the instrumentDisplay over temperatureOver temperature protectionTo be used after coolingDisplay over voltageOver voltage protectionUsing within the rated voltage range of the instrumentDisplay over currentOver current protectionUsing within the rated current range of the instrument Package List: 1 xSolarPanelMultimeter 2 x Connection Cable 2 xClip Cable 1 x English Manual 1 x EVA Kit Note: 1. Manual measurement please allow some errors.2. Please be sure to use this product within the rated voltage & current power range.3. Please be sure to disconnect the solar panel from other equipment or loads before testing.