Smart, secure, and easy to install digital door lock designed for homes and small businesses. Combines fingerprint, password, smart card, mechanical key, and mobile app access in a durable aluminium alloy body. Key benefits Flexible access: multiple unlocking methods for everyday convenience and backup options when needed. Secure and auditable: local user capacity and unlock records help manage who has access and when. Long battery life: uses four AA alkaline batteries for extended operation compared with models using AAA cells. Easy replacement and universal fit: reversible handle and multiple mortise sizes make replacing an existing lock straightforward. Main features Material: Aluminium alloy construction for durability and a modern finish. Unlock methods: Mobile app (WiFi direct), fingerprint, password, smart card, mechanical key. Fingerprint reader: FPC semiconductor sensor for reliable biometric recognition. User capacity: Supports up to 99 users for fingerprints, cards, and passwords. Chip: Dual core driver for responsive performance. Touch screen: IML material touch panel. Power: 4 x AA 1.5 V batteries required (not included). Use non rechargeable alkaline AA batteries for endurance. Voice prompts: Multi language system includes Arabic, English, Indonesian, Portuguese, Russian, Spanish, Thai, Vietnamese. Operating temperature: 20 to 55 C. Password features: Virtual password supported to hide real codes and prevent shoulder surfing. Compatibility: Fits door thickness from 38 to 55 mm. Suitable for steel, wood, brass, stainless steel, and other common door types. Orientation and opening: Universal for left and right handed doors, supports push and pull opening. Handle direction can be adjusted. App capabilities (no external gateway required) Connects via WiFi direct for remote access. Unlock remotely from the mobile app. View unlock records to track entry history. Create temporary or timed passwords for guests and service providers. Installation and sizing guidance This lock is compatible with doors 38 to 55 mm thick. Measure your existing mortise lock before ordering. Over 24 mortise sizes are available to match common door preparations. Choose the mortise size that matches your old lock for easy replacement. Supplied design is reversible and fits both right and left hand openings. Adjust handle direction as needed. What is included Front panel x 1 Rear panel x 1 Mortise lock x 1 (select correct size option) Smart cards x 5 Mechanical keys x 2 Screw kit x 1 Color options Available in Black, Silver, and Red Bronze. Practical use scenarios Home main entrance: Grant family members permanent access via fingerprint and the mobile app for remote entry when needed. Rental or short term stay: Issue temporary or timed passwords through the app for guests and view unlock records after check out. Small office or shared workspace: Manage up to 99 users with combinations of cards, fingerprints, and passwords while keeping an audit trail of entries. Notes and recommendations Batteries are not included. Use non rechargeable alkaline AA batteries for performance and longer endurance. Confirm your door thickness and mortise size before to ensure a direct replacement. The mobile app connects directly over WiFi, so no additional gateway device is required.