Supply Power for Accurate Testing
Apply 3V, 5V, 12V, or 24V directly to circuits or components to simulate real-world conditions and isolate faulty parts.

Versatile Electrical Testing
Run fuse tests, circuit tests, component activation, battery checks, ground verification, and relay diagnostics—all in one tool.

Built-in 10 MegOhm Circuit Breaker
Protects your circuits and the tool itself from overload, ensuring safe operation while maintaining high sensitivity.

20-Foot Heavy-Duty Cable
Extended reach for easy testing across larger vehicles or workspaces without relocating the unit.

Diagnose by Activation
Actively power components to see if they respond as expected—quickly pinpoint what's working and what needs replacement.

Large 1.25” Backlit LCD Screen
Bright and readable in any lighting condition. View real-time feedback on tests and component behavior clearly and instantly.

10 MegOhm Input Impedance
Prevents damage to sensitive automotive systems, including ECU protection.

Power & Ground with Circuit Breaker Protection
Deliver power or ground directly to the component while staying protected by the integrated breaker system.

Positive / Negative LED Indicators
Quickly identify power polarity to avoid mistakes and simplify troubleshooting.

Automotive Uses Include
Diagnosing car fuses, relays, grounds, power circuits, batteries, and electrical components with confidence.

HOUSEHOLD USES INCLUDE
Checking general circuits, small appliances, DIY electronics, and more with pro-grade precision.