Smart Automotive Circuit Tester

Diagnose automotive electrical systems quickly and accurately with this smart circuit tester featuring a built-in LED voltage display and wide 3.5–36V DC compatibility. Designed for professional technicians, mechanics and DIY vehicle owners, it helps identify electrical faults, test circuits and verify power connections with ease.

The integrated digital display provides real-time voltage readings, while the sharp probe and alligator clip design allow convenient testing of wires, fuses, switches, relays and electrical components. Suitable for cars, motorcycles, trucks, boats and other DC-powered vehicles, it offers reliable diagnostics without requiring bulky equipment.

Compact, portable and easy to use, this automotive tester is an essential tool for troubleshooting electrical systems, locating faults and performing maintenance with confidence.

Key Features

• Digital automotive circuit tester
• Built-in LED voltage display
• Compatible with 3.5V–36V DC systems
• Real-time voltage measurement
• Suitable for cars, motorcycles and trucks
• Sharp precision testing probe
• Durable alligator clip connection
• Fast circuit diagnostics
• Tests fuses, relays and switches
• Checks battery and power circuits
• Identifies wiring faults and voltage drops
• Reverse polarity detection capability
• Compact handheld design
• Long testing cable for convenience
• Easy-to-read digital display
• Suitable for professional and DIY use
• USB-powered operation
• Lightweight and portable construction
• Ideal for automotive electrical troubleshooting
• Durable workshop-ready design

Package Includes

• 1 × Smart Automotive Circuit Tester
• 1 × Testing Lead with Alligator Clip
• 1 × User Guide