Exterior:
The appearance design of self-service ordering machines is usually simple and modern, with a touch screen as the main interactive interface. The equipment usually consists of a vertical or desktop display, a desktop display, a code scanner, etc. The shell material is generally durable metal or plastic.

Function:
1. Menu browsing: Through the touch screen, customers can browse the complete menu, including pictures, prices, nutritional information, etc.
2. Order independently: Customers can easily select dishes, adjust portion sizes, customize flavors and complete the entire ordering process through the touch screen.
3. Special needs: Support customers' special requirements for dishes, such as adding spiciness, removing onions, changing sauces, etc.
4. Payment method: Supports multiple payment methods, including credit card, mobile payment, cash and coin, etc.
5. Print order: After ordering is completed, the system generates and prints the order to facilitate food preparation in the kitchen.
6. Food pick-up reminder: Remind customers through the screen or sound when they can pick up their food.

Features:
1. Convenient and fast: Customers can browse the menu freely, order and pay quickly, and reduce waiting time.
2. Customization: Support personalized ordering experience to meet customers' personalized needs for taste.
3. Multi-language support: Provides multi-language interface to facilitate international customers.
4. Save labor costs: Reduce manual service links and reduce restaurant operating costs.
5. Data analysis: Customer ordering preferences and consumption data can be collected to provide the restaurant with a basis for business decisions.

Advantage:
1. Improve efficiency: Self-service ordering machines can greatly improve the efficiency of ordering and checkout, reduce service waiting time, and improve customer experience.
2. Reduce the error rate: Ordering food independently reduces manual intervention and reduces the order error rate caused by human error.
3. Save space: Self-service ordering machines do not require a large amount of work space for waiters, and restaurants can design layouts more flexibly.
4. Adapt to multiple scenes: Suitable for various dining scenes such as fast food restaurants, cafeterias, coffee shops, etc.

Application scenarios:
Fast food restaurants: Provide fast and convenient ordering services.
Cafeteria: Customers can freely choose dishes and take them as needed.
Cafe: Provides coffee, snacks and other ordering services.
Corporate canteen: Convenient for employees to eat quickly and improve dining efficiency.