12v 24v Digital Car Automobile Voltage Tester Pen

- Multi-function Automobile Electric Tester Pen. - Designed to detect low voltage and circuit failure. - Used in transport machinery such as automobiles, motorcycles bulldozers, rollers, excavators, etc. - Voltage measurement range: 2.5V - 32V. - Can test the positive or negative poles of the battery and circuit. - Shows correct polarity with green LED and a reading at the display, and reverse polarity with the red LED with no reading. - The voltage value is displayed on the LED display. - The needle head in front of the pen tester can be connected to the crocodile clip provided. - High quality spring on the crocodile clips ensured no loose connection during use. - Use beyond the measurement range of the product is prohibited. - The head of the motor pen is sharp, please use it carefully.