This previously-owned, used Fluke true RMS digital multimeter, model 179, has a DC maximum voltage of 1000 V, and a max resolution of 0.1 mV. This multimeter also has a max AC voltage of 1000 V and a resolution of 0.1 mV. Condition: Tested, fully operational, clean, previously-owned, used. Some minor signs of cosmetic wear, but in overall excellent condition. Sold "as is" without manufacturer's warranty expressed or implied. Buyer is responsible for determining the suitability of this product for their application.