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Pen-style digital voltmeter with LED display, red and green polarity LEDs, stainless probe, spring coil lead, ABS body

Anyongora Automotive Test Light 3-48V DC Digital LED Voltmeter Circuit Tester Pen

SKU CH-HH30-YRFJ0

A 3-48V DC digital LED voltmeter with 0.1V resolution, dual-color polarity indication, 96-inch spring lead, and anti-lost probe guard for safe automotive circuit testing

  • Features3-48V Digital LED Voltage Tester * 1, Corded Electric, false
  • Height11.2 L x 4.2 W x 1.4 H inches
  • Width11.2 L x 4.2 W x 1.4 H inches
  • Length11.2 L x 4.2 W x 1.4 H inches
  • Sports Team1 Piece
  • TypeVoltmeter
  • Accurate 0.1V resolution across 3-48V DC range
  • Instant red/green polarity identification prevents wiring errors
  • Integrated probe guard prevents loss and accidental injury
  • Low-current design protects sensitive ECUs and sensors
  • 96-inch spring wire reaches tail lights from battery ground

3-48V DC Digital Voltmeter

This circuit tester pen provides precise digital voltage readings across a 3-48V DC range with 0.1V resolution. It replaces traditional incandescent test lights that only glow dimly without showing exact values. The jump is worth it when diagnosing battery health, alternator output or fuse status on cars, trucks and hybrids where guessing voltage levels wastes time.

Dual-Color Polarity Indicator

The bidirectional LED lights red for positive and green for negative poles, removing the need to read the display for basic polarity checks. This feature prevents reverse wiring and short circuits when installing stereos, dash cams or other accessories. The low-current draw design safeguards sensitive ECUs and vehicle sensors during testing.

96-Inch Spring Wire Reach

The premium spring wire stretches up to 8 feet, allowing tail-light checks from the battery ground without moving the tool. A backlit screen ensures clear visibility in dark footwells or under the chassis. The integrated probe guard slides onto the wire to prevent loss and protects against accidental stabs. Buyers needing AC voltage measurement or continuity beeper functions should look elsewhere.

Highlights

  • Accurate 0.1V resolution across 3-48V DC range
  • Instant red/green polarity identification prevents wiring errors
  • Integrated probe guard prevents loss and accidental injury
  • Low-current design protects sensitive ECUs and sensors
  • 96-inch spring wire reaches tail lights from battery ground

Specifications

BrandAnyongora
Features3-48V Digital LED Voltage Tester * 1, Corded Electric, false
Height11.2 L x 4.2 W x 1.4 H inches
Width11.2 L x 4.2 W x 1.4 H inches
Length11.2 L x 4.2 W x 1.4 H inches
Sports Team1 Piece
TypeVoltmeter

Questions about this item

How much space does the 11.2 L x 4.2 W x 1.4 H inch tester occupy in a toolbox?

The tool measures 11.2 inches long, 4.2 inches wide and 1.4 inches high, so it fits in most standard automotive tool trays or a shallow drawer compartment.

What is the correct way to connect the spring wire and probe without reversing polarity?

Clamp the alligator clip to a known ground, then pierce the circuit with the stainless steel needle; the bidirectional LED shows red for positive and green for negative, confirming correct hookup before you read the display.

When should the 96 inch spring wire or probe guard be replaced?

Replace the spring wire if the insulation cracks or the coil no longer retracts fully, and replace the probe guard if it no longer slides securely over the needle, exposing the sharp tip.

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