1、Biometric Fingerprint Recognition: Living biometric technology to improve security, 360° three dimensional recognition and matching fingerprints, effectively prevent fake fingerprints. 2、Unlocking Method: The smart door lock supports a variety of unlocking methods, ID cards, fingerprints, passwords, and easily solves the problem of forgetting to bring the key. 3、Portable ID Card: There are two magnetic cards in the package, intelligent identification, and the magnetic ID cards can be stored in wallets and handbags. 4、Support APP: The smart door lock also supports for TTlock APP, which can generate a temporary password and send it to relatives and friends, making it easier for visitors to come in and out. 5、Sturdy Material: Keyless entry door lock is made of cold rolled steel, brass and zinc alloy, high strength and hardness, rustproof, not easy to damage.