The Pyle PLTM40 Digital Backlit LCD Multimeter measures AC and DC Voltages, DC Current, Resistance and Diode. Some of those also provide temperature, transistor measurement and audible continuity test function, or can be used as a signal generator. Full range overload protection and low battery voltage indication is provided. This multimeter is an ideal instrument for use in fields such as laboratories, workshops or on construction sites. The professional and accurate data measurement makes this perfect for hobby enthusiasts and home applications. Powered by 9V Battery (not included).