Card recognition: Supports a variety of card types, such as ID cards, employee cards, membership cards, access cards, etc. In the hotel, guests can swipe their cards to open the gate channel for quick check-in or access to specific areas, such as gyms, swimming pools, etc.QR code identification: The user can complete the identity verification and channel opening by scanning the QR code through the mobile phone. After the guest’s reservation is successful, the hotel can send an exclusive QR code to his mobile phone, which is used to scan the code at the gate, which is convenient and fast, and can effectively prevent information leakage.Facial recognition: Acquire face images through high-precision cameras and compare them with pre-entered facial data to achieve fast and accurate identity recognition. In hotel applications, it can be connected with the front desk check-in system, and guests can collect face information when checking in. Later, they can freely enter and exit the hotel and related areas through facial recognition to improve traffic efficiency and security.Fingerprint recognition: Using fingerprint recognition technology, the user’s fingerprint characteristics are matched to the fingerprint template in the database. For areas with high security requirements, such as hotel storage areas for valuables or employee-only passageways, fingerprint recognition can provide more accurate authentication.