A faulty taillight or a blown fuse can quickly become a nuisance. With this professional circuit tester pen, you can accurately and safely identify electrical problems in vehicles.

What You’ll Love

• Wide Voltage Range — Reliably tests circuits from 3V to 70V for cars, trucks, and motorcycles
• Digital LCD Display with Backlight — Precise voltage reading with 0.1V resolution, easy to read even in low light conditions
• Sharp Stainless Steel Test Tip — Easily pierces cable insulation and reaches hard-to-access spots
• Durable Acetate Fiber Housing — Long-lasting and resistant to mechanical stress
• Large Alligator Clip — Allows one-handed operation and secure grounding connection

Perfect For

Ideal for auto repair shops, hobby mechanics, and anyone who wants to diagnose electrical issues in vehicles themselves. Works with cars, trucks, motorcycles, trailers, and boats.

Technical Specifications

• Material: Plastic/Carbon Steel
• Voltage Range: 3V to 70V (depending on model)
• Accuracy: ±0.2V
• Pen Length: 17.3 cm
• Test Tip Length: 8.3 cm
• Cable Length: 96 cm
• Clamp Capacity: 20A
• Bulb Power: 3 Watts (replaceable)

Package Contents

• 1 × Circuit Tester Pen
• Optional with or without double-wire connectors (10 pieces)