Features:True RMS Mustimeter with RS232 Connected with Computer, Full Features.Capacitance and Frequency Measurement Recorded in to your computer. Relative Measurement makes easy for True value you need.Heavy Duty Protection Built-in Holster for Field Work.Measure the alternating current through the clamp and the AC / DC voltage, resistance and continuity by test leads.With a bracket design on the back of the multimeter, the appropriate angle required for measurement can be adjusted at any time, and the observation data is more convenient.Specifications:Material: ABSColor: Red BlackTypes: UT61C, UT61DUT61C: auto power off, Diode test, on-off buzzer, AC and DC measurement, temperature measurement, analog bar, auto range, LCD backlightUT61D: RS-232 data transmission, diode test, true RMS, AC and DC measurement, duty cycle measurement, digital hold, auto range, LCD backlightLCD screen: (Approx) 65x43mm(LxW)DC voltage (V): 60mV/600mV/6V/60V/600V1000V, 220mV/2.2V/22V/220V/1000VAC voltage (V): 60mV/600mV/6V/60V/600V/750V, 220mV/2.2V/22V/220V/750VDC current (A): 600 uA/6000 u A/60mA/600mA/6A/10A, 200 uA/2200 uA/22mA/220mA/2.2A/10AAC current (A): 600 uA/6000 u A/60mA/600mA/6A 10A, 200A/2200 uA/22mA/220mA/2.2A/10AFrequency (Hz): 10Hz-10MHz, 10HZ-220MHzLow voltage display: about 15 minutesBattery: 9V battery(not included)Size: (Approx)180x87mm (LxW)Package Included:UT61C:1 PC x Digital multimeter2 PCs x Test pen1 PC x Conversion plug1 PC x ManualOrUT61D:1 PC x Digital multimeter2 PCs x Test pen1 PC x Data line1 PC x Temperature probe1 PC x Conversion plug1 PC x CD1 PC x Manual