????4 Working Modes: VDIAGTOOL V200 allows connecting to 6V-30V vehicle system for diagnosing. It supports 4 working modes: DC voltage, AC voltage, Resistance and Diode. ????More Useful Diagnose Function: Voltage & Polarity Test, Continuity Test, Signal Circuit Test, Activating Components, Test Trailer Lights and Connections, Follow & Locate Short Circuits, Check for Bad Ground Contacts. ????Quick Self-Test + Current Overload Protection:Do Self test for the circuit tester before testing could make sure your safety in electrical system detect. ????Build-in Light & 20FT Extension Cable: LED Light enable users to successfully complete circuit testing even in a dark environment. 20ft extension cable allows you inspect the entire electrical circuit system from the front to the rear of the vehicle.
