Four simultaneous displays of Watts, Power Factor or VA, Voltage or Hz, Amps. True RMS Voltage and Current measurements of sine, square, triangular and distorted wave forms with a crest factor < 5 Max, Data Hold and Overload Protection. Battery or AC adaptor provides line isolation. Plug device to be tested directly into the Power Analyzer. Sampling (update) rate is 2.5 times/second. Windows 95/98/NT/2000/XP/ME software allows user to download stored data or save data directly, and to create an ASCII file. Computations include phase angle, apparent and reactive power, consumption and cost, and power factor correction. Complete with Windows compatible software, cable, 8 x AA batteries, power cord, 117 VAC adaptor and case.