Extech EX570 Portable Digital Multimeter accuracy up to 0.06%, Udc/Uac up to 1000 V, Idc/Iac up to 20 A, R up to 40 mOhm, C up to 10 mF, F up to 40 MHz, T up to 750°C (K thermocouple), IR temperature up to 550°C, Q up to 99.9% Technical specifications: Built-in non-contact infrared thermometer with laser pointer Measurement function of TRUE RMS values, Category III-1000V, Category IV-600V, Basic accuracy of direct current, voltage 0.06% Waterproof housing for heavy-duty operation Big 40000 times