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3V-120V Car Digital Voltage Circuit Tester Probe Pen

$18.18 USD

~~$0.00 USD~~ $18.18 USD

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3V–120V Car Digital Display Voltage Circuit Tester Pen

Take the guesswork out of automotive electrical diagnostics with this compact, easy-to-use Digital Display Voltage Circuit Tester Pen. Covering a wide range of 3V to 120V DC, it's the ideal tool for DIY mechanics and professional technicians who need fast, accurate readings on the go. Whether you're checking your car's power circuit, fuel pump, sensors, lighting system, or engine components, this tester pen delivers reliable results in seconds.

Key Features

Wide Voltage Range: Measures 3V to 120V DC, making it compatible with a broad spectrum of automotive electrical systems.
Digital Display: Built-in digital readout provides clear, precise voltage readings at a glance — no guessing or analog interpretation needed.
Multi-Function Testing: Detects voltage, current flow, and can verify the operating status of light bulbs, audio systems, sensors, fuel pumps, and more.
Durable ABS Construction: Made from high-quality ABS material that withstands demanding workshop and roadside conditions.
Protective Cover Included: Features a tip cover to protect the probe when not in use, extending the life of the tool.
Compact & Portable: Lightweight and pocket-sized — toss it in your glovebox or toolbox and have it ready whenever you need it.
Convenient & Fast: Quickly detects electrical parameters so you can identify issues and get back on the road without delay.

Specifications

Voltage Range: 3V – 120V DC
Material: ABS Plastic
Display: Digital LED readout
Includes: 1 × Digital Display Voltage Circuit Tester Pen with protective cover

Made in Mainland China.

Why You'll Love This Tester Pen

From weekend DIYers to seasoned automotive professionals, this voltage circuit tester is a must-have in any toolkit. Its plug-and-probe simplicity means no complicated setup — just touch the probe to the circuit and read the result instantly. The protective cover keeps the tip safe between uses, so it's always ready when you need it.

For more information on safe automotive electrical work practices, visit the OSHA Electrical Safety Guidelines.

Frequently Asked Questions

Q: What voltage range does this car circuit tester pen cover?

A: This digital display voltage circuit tester pen covers a range of 3V to 120V DC, making it suitable for most standard automotive electrical systems including 12V and 24V vehicle circuits.

Q: Can this tester pen check components other than voltage?

A: Yes! In addition to voltage measurement, this automotive tester pen can verify the operating status of light bulbs, audio systems, sensors, fuel pumps, power circuits, and engine-related electrical components.

Q: Is this tool safe to use on modern vehicles?

A: This tester pen is designed specifically for automotive electrical systems operating within 3V–120V DC. Always follow proper electrical safety practices and consult your vehicle's service manual before testing sensitive electronic components.