UL-listed & CE-mark Certificated. 707-4(4/5)digit, 50000 count with bar graph. 705-3(4/5)digit, 5000 count with bar graph. Dual displays. Closed case calibration through the phototronic serial port. Auto hold. Auto fuse detector. Continuity check/beeper. dBm/dBV readings with selectable reference impedance. Relative mode. Diode test. 1ms fast min max. Duty cycle/pulse width. 5 0mV low voltage and 50 ¥Ø low ohms ranges. Memory store and recall. Min/Max/Average. True RMS(AC,AC+DC). 1000 V high energy fuses. Backlighted display. Auto-power-off. RS-232C phototronic serial prot. On screen menu selection. Overmolded case. IEC 1010-1, CAT III 1000 V & CAT IV 600 V safety protection. 3 year warranty.