Multifunction Car Voltage Tester – 5V–30V Circuit Diagnostic Pen

Multifunction Car Voltage Tester – 5V–30V Circuit Diagnostic Pen

Make vehicle maintenance easier with this multifunction car voltage tester pen, designed for quick and accurate electrical diagnostics. Built with durable TPU antifreeze material, it withstands tough workshop conditions while providing a comfortable grip and reliable performance. Its compact size of 138 x 17mm makes it convenient to carry and store in your toolbox.

Equipped with a 1.2m spring wire, this diagnostic tester allows flexible operation while checking circuits. The device supports a wide detection range, with lamp voltage testing from 5V–30V and ceiling light detection from 2V–30V. The LED indicator displays in red and green for clear and instant results, ensuring safe and accurate testing.

Perfect for both professional mechanics and DIY car owners, this voltage tester pen simplifies circuit maintenance, repair, and troubleshooting. Whether you’re working on cars, trucks, or motorcycles, it provides dependable results for all 12V and 24V systems. A must-have tool for efficient auto electrical diagnostics.

Product information:

Size: 138 * 17mm
Spring wire length: 1.2m after stretching
Body material: TPU antifreeze material
Lamp detection voltage range: 5V-30V
Detection voltage range of ceiling lamp: 2v-30v
Display range of voltage display screen: 5V~30V
Display color of main light/ceiling light: red/green

Packing list:

1*Measuring pen