This versatile circuit test pen is an essential tool for diagnosing electrical systems in various vehicles. It's perfectly suited for inspecting circuits, fuses, switches, and wiring across automobiles, trailers, boats, motorcycles, and other low-voltage setups. Simply connect the alligator clamp to a ground point, then use the probe to test the desired circuit. An illuminated indicator light confirms the presence of electricity, making troubleshooting quick and straightforward.
Key Features:
- The ergonomic handle is crafted from durable plastic, while the robust, chrome-plated carbon steel probe is hardened and tempered for longevity.
- Its sharp steel probe is designed to easily penetrate wire insulation, allowing for direct circuit testing without damage.
- An integrated light in the handle glows brightly when a complete circuit connection is detected, providing clear visual feedback.
- Capable of testing a broad spectrum of circuits with voltage ranges from 3V to 70V, depending on the selected variant.
- Its lightweight construction ensures portability and ease of use, perfect for on-the-go diagnostics.

Variant Information:
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Red wire spring wire digital display (3-24V): This variant features a red wire and a spring-loaded design, providing a digital voltage display for systems ranging from 3 to 24 volts.
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Black wire digital display (3-24V): This option includes a black wire and a digital display, suitable for testing circuits within the 3 to 24 volt range.
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Black wire digital display (3-70V): Offering a wider testing capability, this black wire variant with a digital display can handle circuits from 3 to 70 volts, ideal for a broader range of applications.
Specifications:
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Material: Plastic, Carbon steel
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Clamp Capacity: 20A
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Bulb: 3 Watt Bulb (Replaceable)
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Voltage Range: Depends on variant (3V-24V or 3V-70V)
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Pen Length: 17.3cm
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Probe Length: 8.3cm
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Line Length: 96cm