Trouble-shoot electrical problems with this slim-line design digital multimeter. Small yet rugged enough to carry on motorcycle trips. Only slightly larger than a credit card, the Wavetek DM78 features full autoranging, DC volts, AC volts, ohms, continuity, and diode test functions. Comes complete with batteries, instructions, test leads, and carrying case. Delivers all the functions of a full size multimeter in an easier to carry (and use) size. 4.25"×2.25"×.875".