- LED DIGITAL DISPLAY: The auto circuit tester features a clear LED digital display that provides real-time automotive electrical parameter readings, making diagnostics easy and intuitive. - MAIN FUNCTIONS: This test pen accurately measures automotive voltage, current, and other critical parameters, ensuring precise diagnostics for effective troubleshooting. - DESIGNED FOR AUTO TESTING: Specifically engineered for automotive diagnostics, this LED test pen allows for quick identification of faults, promoting safer driving conditions and minimizing vehicle downtime. - PORTABLE AND USER-FRIENDLY: The compact, lightweight design ensures comfortable handling and easy portability. It is convenient to carry and operate, making it ideal for both professionals and DIY enthusiasts. Use Scenarios: - Perfect for diagnosing electrical issues in cars, ensuring that your vehicle operates efficiently and safely. - Ideal for automotive technicians who need a reliable tool for quick fault detection during service and repairs. - A valuable tool for car enthusiasts who perform their own maintenance and want to keep their vehicles in top working condition.