ANENG BT-171 12V Multifunctional Battery Testers Status-Indicator Auto Repair Industry Detection with LED Reverse Display Screen Electrician Tool

Features:Auto Repair Industry: Especially suitable for automobile, electric vehicle maintenance technicians and families, enterprises, vehicle maintenance, etc.Generator Charging System: When properly connected, start the generator, the output voltage will be displayed on the LED display, and the right LED indicator will light up to indicate the generator status.With LED Reverse Display Screen: The test shows a reverse display, and the measured values can be seen clearly at night or in the dark.Car Battery Detection: When connected, the LED display will display the voltage under test, and the LED light will light up to indicate the battery status.Alligator Clip: Correctly connect the positive electrode + and the negative electrode - connect the reverse electrode, the display screen will not display.