AC/DC voltage and polarity measurement. Continuity test and single probe detection of live conductors for added flexibility. Overvoltage warning gives user visual notification that voltage levels have exceeded 1000V AC/ 380V DC. Safe, non-contact voltage detection. Auto-hold automatically activates when tester is removed from voltage reading. Visual and audible continuity. Accessories included: (2) 1.5V AAA batteries and test leads. Lifetime limited warranty.