Calculations (automatic);Potential Index and Dielectric Absorption Ratios;Tests Continuity, Resistance and Frequency Measurements;Programmable Alarms;Insulation Test, Resistance, Continuity;Hazardous Voltage Alert (Icon) if voltage is 70 volts 5.) On Board Timer, +1/- 1 sec.;Delta Reading "?REL";Data hold with 300 Entry Memory;Standby Mode (automatic), saves battery power;Hand Held, Compact Light Weight Form;Intuitive Layout with Rotary Function Selector and Large Test Button;Molded in Magnetic Mount for convenient hands-free measurements;Limited Life Time Warranty;Dated Calibration Certification