Fangrui Product Details 1. Aneng High-precision Automobile Battery Tester 2. Product Material: Abs Insulation Material 3. Test Method: Positive And Negative Pole Test Clip 4. Test Voltage: 12v 5. Led Light: Redyellowgreenbluewhite Colored Lights 6. Suitable For Automobile And Electric Vehicle Maintenance Technicians And Family And Corporate Vehicle Maintenance And Repair 7. Led High-brightness Color Light, Color Index Grid, Simple And Easy To Understand 8. Wire And Machine Integrated Design, Wire Length 35cm, Anti-lost And Fall Off 9. The Crocodile Clip Has A Strong Bite Force, And It Can Be Measured Immediately After Clamping, Which Is Convenient And Easy To Use 10. No Need To Install The Battery, Easily Complete Multiple Tests 11. During The Test, Please Keep The Tester Correctly Connected To The Battery Terminal, And Then Turn On The Generator. At This Time, The Output Voltage Will Be Displayed On The Led Display, And The Right Led Indicator Will Light Up To Indicate The Generator Status 12. It Has Reverse Connection Alarm And Overvoltage Protection Functions. The Red Clip Is Connected To The Positive Pole And The Black Clip Is Connected To The Negative Pole. If It Is Connected In Reverse, The Led Display Will Not Display, And The Reverse Indicator Will Light Up To Issue An Alarm 13. After Correct Connection, The Led Display Will Show The Real-time Voltage Of The Measured Voltage, And The Led Light Will Light Up To Indicate The Battery Status 14. Digital Display Screen, Easy To See The Measured Value At Night, Assisting Measurement Work And Easy Reading 15. Weight: 78g 16. Size: 7x2x11.5cm