The handheld multimeter digital extech ex330 cat iii 600 v display counts 4000 is a compact multimeter in a rugged soft rubber housing with non contact voltage test ncv it has autoranging dmm with ncv detector and temperature function plus a built in non contact ac voltage detector ncv with red led indicator and audible beeper cables and wires can be tested for voltage ideally suited for electricians and similar use complete with stand test leads protective holster batteries gen