Introduces the features and characteristics of TC7116/A/TC7117/A, including low temperature drift internal reference, display hold function, direct drive LCD or LED display, zero reading with zero input, low noise for stable display, 2V or 200mV full scale range, auto-zero cycle eliminates the need for zero, adjustment potentiometer, true polarity indication for precision null applications, 9V battery operation, high-impedance CMOS differential inputs, low power operation, etc.