Amprobe LCR55A Inductance, Capacitance, and Resistance Tester Tests capacitance, resistance, and inductance, and checks transistors and diodes to verify functionality and compatibility of electrical circuits and devices Zero-adjust pots help eliminate stray capacitance, resistance, and inductance for more accurate readings Comes with a set of detachable test leads with test probe tips and two alligator clips for a more secure, hands-free connection than probe tips Diode and transistor test checks for proper functioning of the circuit's diodes and transistors, including microwave diodes Audible continuity buzzer confirms that a circuit is capable of conducting current The ultimate component checker measures inductance, capacitance, resistance, transistors, diodes and microwave diodes Plug-in test slots and test leads with threaded alligator clips Oversized, digital display Data hold, Max hold, "Zero adjust" pot for Ohms, Low battery indication, Auto-power off