... 4 Current Sensing Clamps. 1P2W, 1P3W, 3P3W2M & 3P4W Power Measurement. True RMS Sensing. Power KW, KVAR, KVA, PF, θ ,Hz, & Energy KWh, KVARh ... Trigger - Points and Start / Stop Time. RS-232 Optical Interface with three phase voltage / current Waveform display and Harmonic analysis. Easy ... ) Deluxe carrying case4) Battery (AA 1.5V x 8pcs )5) AC adaptor (110V -> 12V ; 220V -> 12V)6) 4pcs current clamp ...