Comprehensive Vehicle Error Detection: This advanced tool efficiently diagnoses electrical faults in your vehicle with its integrated buzzer and indicator light system, ensuring quick identification of issues. Magnetic Induction Technology: Equipped with cutting-edge magnetic induction capabilities, this tester accurately pinpoints faults in the electronic elements of cars and motorcycles. Portable and User-Friendly: Designed for convenience, this and compact tool is essential for on-the-go diagnostics, making it a must-have for all vehicle owners. Color:As Shown Material:plastic Package Contents: 1 * MST-101 Hall sensor pen Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.