Smart Door Lock: Biometric, Fingerprint, Password, Key, Card, Doorbell, Alarm

• Multi-functional smart door lock with fingerprint, 6-12 digit PIN codes, IC cards, and mechanical key backup. • Supports dual authentication mode (e.g., fingerprint + PIN) for enhanced security. • Accommodates up to 100 users and features an integrated doorbell. • Includes anti-peeping virtual password, emergency door locking from inside, and mute setting. • Equipped with a multi-layer alarm system: low battery, anti-prying, and multiple trial-and-error lockout. • Broad door compatibility for both left and right-hand doors; anti-electromagnetic shielding. • Powered by four AA batteries (lasts 6-12 months); Type-C emergency power port. • Durable, good quality construction with anti-skid features.