The JFIND JF100 voltage tester is a practical and effective tool for quickly diagnosing automotive electrical systems. Designed for 6V-30V DC systems, this tester makes it easy to quickly identify voltage, polarity, continuity, and electrical faults, making it useful both in workshops and for advanced users. With its metal probe, battery clips, and digital display, it enables fast testing of wires, circuits, fuses, grounding, and electrical components.

The tester features a red LED for positive polarity, a green LED for negative polarity, and an audible buzzer, providing clear visual and sound indications during use. The short-circuit detection function helps easily identify faulty wires, while the component activation function allows testing of loads and circuits directly from the installation.

• Positive/negative polarity test
• Continuity test for identifying broken wires
• Ground test
• Short-circuit detection
• Activation and testing of electrical components
• Jumper function
• LED indicators: red and green
• Audible alarm
• Overload protection above 8A
• Digital voltage display
• Compatibility with 6V-30V DC systems
• Suitable for cars, trucks, motorcycles, and boats

Technical specifications:

• Brand: JFIND
• Model: JF100
• Product type: Electrical circuit tester
• Operating voltage: 6V-30V DC
• Display: Digital
• Overload protection: 8A
• Operating temperature: -10°C to 60°C
• Use: Electrical diagnostics, polarity testing, continuity, grounding, short circuit, component activation
• Power supply: Battery connection via clips

Package contents:

• JFIND JF100 electrical circuit tester
• Cable with battery clips
• Ground clip
• User manual