★ TI chip from the United States, with a 96 × 96 standard casing and 90% of the parts;

★ Optocoupler isolation protection output, with no interference between input and output signals;

★ EEPROM type memory, no need for backup battery, data will not be lost after power failure;

★ High performance operational amplifier, symmetrical ORP positive and negative values, small temperature drift, stability, and accuracy