MB0197 is a 12864 dot matrix LCM, is a COG LCD module technology, can display Chinese, numbers, characters, graphics, etc. Reasonable structure, affordable, low-voltage operation with SPI, parallel port interface for customers to choose. mode, low power consumption, is a dedicated handheld device LCD module is mainly used formaldehyde detector, water wave detector, temperature and humidity testing, pulse wave sphygmomanometer, handheld POS machines and other instruments class display