HAND HELD PEN-TYPE DIGITAL MULTIMETER auto range or manual range, data-hold function, auto power-off, diode and continuity test. voltage measurements: AC and DC 600V max. current measurements: AC 34mA and DC 340mA max. resistance measurements: 34Mohm max. fuse protection: F500mA / 250V. conform with IEC1010 CATII 1000V, CATIII 600V. overrange: yes "OL", continuity buzzer: yes, transistor test: no, diode test: yes 1.0mA (open circuit voltage = 3.4V DC). low-battery indication: yes. maximum display: 3400. LCD display size: - ranging mode: manual or automatic, data hold: yes backlight: no, dimensions: 9" x 1.4" x 0.8", weight (with battery): approx. 7oz. power supply: 2 x 1.5V LR44 batteries V13GA (incl.). accessories: manual / battery. auto power-off: yes.