1.28-inch knob screen usually refers to a small display screen with physical knob control, petite taille, low power consumption, high integration, intuitive operation, moderate resolution, and certain dustproof and waterproof durability. It is mainly used in high-end smart home appliances such as coffee machines, cooking machines, washing machines, air purifiers, smart home small controllers, électronique automobile, contrôle industriel, and small medical monitoring equipment.