3–70 V DC Digital Circuit Test Pen – Heavy-Duty Automotive Voltage Tester with V
This digital circuit test pen is designed for automotive and low-voltage DC systems, offering accurate diagnostics across a 3–70 volt range. With a sharp stainless steel probe, flexible spring wire, and alligator ground clip, it lets you safely and precisely check wiring, fuses, lights, and more. The built-in voltmeter and LED display ensure you can read voltage and polarity quickly, making it an essential tool for mechanics, electricians, and DIYers working on 12V to 48V systems.
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Wide 3–70V DC Voltage Range, ideal for automotive and other low-voltage systems.
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Digital LED Display shows real-time voltage.
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Stainless Steel Probe for piercing insulation and accessing tight spaces.
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Flexible Spring Wire and alligator clip for easy grounding.
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Lightweight, portable, and built tough for professional use.
