with Alligator Clips 12V Digital Battery Tester Automotive Cranking System Tester Electrician Tool

Label:Yes Colour: Black Size: 120x70x20mm(4.72x2.76x0.79in) Type: Car Battery Indicator Name:12V Digital Battery Tester Material: ABS

Function: 1.designed for testing 12V battery voltage or charging system voltage. 2.with LED display and LED battery indicator. 3.rubber body with alligator clips for connection. 4.with reverse connection alarm and overvoltage protection function.

Operation Instruction: 1.correctly connect the instrument battery clip to the battery terminal,the red clip connects to thhe positive pole"+"abd the black clip connect to the negative pole"-",if the connection is reversed,the LED display dose not show,PEVERSC indicator lights up and issues an alarm prompt 2.after the correct connection.the LED display will show the real time voltage of the battery under test,while the LED lights up to indicate the battery. 3.when testing the generator charging system.please keep the tester and battery terminals correctly connected,and then start generator,the output voltage will be shown on the LED display screen,and the right LED indicator lights up to indicator the genrator.

Packing list: 1 * Battery tester.(Without Battery) 1 * Packaging box. 1 * Instruction manual.