3 Modes for Continuity and Voltage Testing:Mode 1:Continuity tester for unpowered circuits. 0-10 ohms; uses the Menda 35121lamp and two AAA batteries (not supplied).Mode 2: Voltage tester for 60-600 volts AC or DC; uses the neon cartridge and no batteries.Mode 3:Voltage tester for 0-60 volts AC or DC; uses the Menda 35121lamp and no batteries. Range: 0-600 volts or 1-10 ohms. Probe: 3 volts at 270 ma maximum. Batteries not included. Requires 2 AAA batteries for testing unpowered circuits Low voltage lamp tests unpowered circuitry Illuminated lamp is easy to confirm electrical circuit continuity High voltage lamp tests live circuitry Made in the United States of America for superior quality SKU: 35100 UPC: 363674152148 Brand: Menda MPN: 35100 Made In: United States Micro-Tools makes every attempt to provide accurate information for each item. Actual packaging and/or specifications may be slightly different from the information and picture provided.G093E