Features 1Multiple Protection: Solar panel MPPT tester has over temperature over voltage over current protection PV panel reverse connection protection over rated power protection. 2Switching Mode: PV panel multimeter can switch manual or auto test mode without extra power supply. Measure PV panel open circuit voltage measure PV panel class high power point. 3HD Backlight: The solar panel MPPT tester adopts HD LCD display with its own backlight clear under the sun no batteries solar panel power supply no need for another battery. 4Automatic Measurement: When pressing the automatic MPPT test button the multimeter will test itself and refreshing the digital display according to the current power value. 5Manual Measurement: When pressing the automatic MPPT test button the instrument automatically adjusts the test interval time according to the current power value the higher the power the longer the interval time and refreshes the digital display. Specification Item Type: Photovoltaic Panel MultimeterModel: EY800WMaterial: ABSUse: Widely used by the crowd photovoltaic panel manufacturers photovoltaic panel operators photovoltaic panel installers photovoltaic panel users photovoltaic enthusiasts etc.Basic ParametersPower: 5-800WCurrent: 0-35A Package List 1 x SolarPanelMPPTTester4 x Connection Cable1 x Instruction Manual1 x Storage Bag