• Multi-use Circuit Tester that provides diagnostic power to components via battery power and ground
• Features 8 Diagnostic Modes including AC/DC Voltmeter, Ohmeter, Frequency, Pulse Width, Fuel Injector Tester, PCM/ECM Driver Tester, and ECT Signal Detector
• Self-Resetting Thermal 8-Amp Circuit Breaker
• 23 Foot Power Cable