"ON-BOARD MICROPROCESSOR FOR CALCULATION; DISPLAYS QUESTIONS AND STORES ANSWERS IN MEMORY; MEETS ALL NORMAL SELECTIVE BRUSHING PLATING REQUIREMENTS; CABINET MEASURES 20 IN. X 9-1/2 IN. X 10 IN.; MAXIMUM OUTPUT 15 AMPS,20 DC VOLTS; INPUT 60 HZ,115 AC VOLTS,4 LINE AMPS,SINGLE PHASE"