Circuit: Custom one-chip of microprocessor LSI circuit
Display: TFT LCD (320 X 240 pixels ) with back light; 81.4 X 54 mm ( 3.2 X 2.1 inch)
Measurement: V (phase-to-phase); V (phase-to-ground); A (phase-to-ground); KW / KVA / KVAR / PF (phase); KW / KVA / KVAR / PF (system); KWH / KVAH / KVARH / PFH (system); Power factor; Phase angle; Frequency; Harmonics display