... II ,600 V CAT2) Power measurement of 3-phase 3-wire, 3-phase 4-wire, single-phase mode 3) V, A, W, VA, VAR ... display, multifunctional button controlSpecifications:1) Max. common-mode voltage: 600V AC RMS2) Mode of display: LCD display; Max. reading: 6000 3 ... display: “OL” 6) Data holding: “HOLD” is shown on LCD 7) Power supply: 4 batteries of 1.5 V, AA 8 ...