This 21.5-inch all-in-one self-service check-in terminal is designed for hotel scenarios. It integrates a high-definition touch screen, ID card recognition and ticket printing functions, allowing guests to quickly complete check-in, room card making, order inquiry and other operations. The simple vertical structure saves space and is equipped with a thermal printer that can instantly output receipts or vouchers, effectively reducing front desk pressure and improving 24-hour unmanned service efficiency. It is suitable for the front desk self-service area of business hotels, homestays, apartments and other places