- 3 3/4 digit LCD w/max. reading of 3999count (M-3850M/M-3860M)- 4 1/2digit w/max. reading of 19999(M-4660M)- True RMS and Power measurementMode 1 : Watts, Amps, Volts and p.fMode 2 : Watts, P/Hour, KWh and CostsMode 3 : Watts, costs(selectale), /KWh- Extensive Multi-Dispaly (three sub-displays)- Back-Light LCD(M-3850M/M-3860M)- 42 Segment Analog Bargraph display- RS-232 Interface for MS-DOS and Windows- Automatic Polarity Indication- Built-in Advanced FunctionsAuto / Data / Minimum / Maximum-Hold, Relative Offset, Memory and Recall for 10 values, Comparison measurement- CE Marked and Desinged to meet IEC 1010-1