Fingerprint Password RFID: 5 ways fingerprint, password with virtual password function, and RFID card provide multiple secure access options Tuya APP: Works with Tuya app, allowing you to manage fingerprints, set temporary passwords, and check door opening records Single Card: This is powered by 4x AAA batteries (not included) and features a charging port for emergency use during power outages Stay Open Mode: Convenient stay open mode allows you to press down the door handle to open without verification App Gateway Required: Applicable to door thickness, this requires an app gateway (not included) for remote access control, Weight: 1.5983513995 pounds, Manufacturer: LIXSAZSE