CA250 is a 400 Amp AC/DC Clamp-on Adaptor with built in NCV that can be used with virtually any multimeter that has a 1mV input and accepts standard banana plugs. It has a 1.2 in. (30mm) clamp jaw and 2.5% accuracy. Additional features include a built-in non-contact voltage detector with LED alert and a DC zero adjust. Comes complete with built-in 3.8 ft. (1.1m) cable with banana plugs and two AAA batteries.