
FEATURES
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All-in-One Circuit Testing Solution: Test voltage, polarity, continuity, signal circuits, trailer lights, and connections with one tool. It can also check bad ground contacts, locate short circuits, and activate in-car or grounded components for faster troubleshooting. 
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4 Work Modes for Quick Diagnosis: Switch between DC voltage, AC voltage, resistance, and tone modes to handle different electrical checks. The clear digital display makes readings easy to view and helps simplify everyday diagnostic work. 
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Wide 12V–24V Vehicle Compatibility: Designed for 12V–24V electrical systems, this tester works across a wide range of vehicles, including cars, SUVs, buses, heavy trucks, motorcycles, and other compatible electrical systems. 
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Instant Polarity Identification: Red and green LED indicators help identify positive and negative circuits at a glance. The built-in self-test function also lets you quickly verify positive or negative voltage for more confident electrical checks. 
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Faster Electrical Troubleshooting: Quickly check signal circuits, continuity, positive and negative circuits, open circuits, and bad ground contacts. Multiple diagnostic functions in one tool help reduce repeated testing and save time during repairs. 
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Complete Kit for Ready-to-Use Testing: Comes with the main circuit tester, extension cord, battery clip, car power adapter, protective case, and user manual, giving you the essential accessories needed for convenient electrical testing and storage. 
PACKAGE INCLUDES
1* Sakerplus® Automotive Circuit Tester