𝐅𝐢𝐧𝐠𝐞𝐫𝐩𝐫𝐢𝐧𝐭 𝐊𝐞𝐲𝐩𝐚𝐝 Door Lock, Smart Biometric Door Knob Support 15M App Control & Auto Lock, 4-in-1 Upgraded Door Lock with 2Keys for Home Office Apartment, Black (Diameter 2.28")

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• 【𝐅𝐨𝐮𝐫 𝐃𝐢𝐟𝐟𝐞𝐫𝐞𝐧𝐭 𝐔𝐧𝐥𝐨𝐜𝐤𝐢𝐧𝐠 𝐌𝐞𝐭𝐡𝐨𝐝𝐬 - 𝐅𝐫𝐞𝐞 𝐘𝐨𝐮𝐫 𝐇𝐚𝐧𝐝𝐬】: This smart lock can be opened using four different unlocking methods: 1. Fingerprint unlock (supports up to 100 fingerprints); 2. Keyboard password unlock (4-8 digit numeric password, freely combinable, keyboard supports 8 numeric characters: 0, 1, 2, 3, 3, 5, 6, ✔); 3. APP remote control (Bluetooth within 15M range); 4. Physical key unlocking (comes with 2 keys).
• 【𝐒𝐮𝐩𝐞𝐫𝐢𝐨𝐫 𝟔-𝟖 𝐌𝐨𝐧𝐭𝐡 𝐁𝐚𝐭𝐭𝐞𝐫𝐲 𝐋𝐢𝐟𝐞】:This fingerprint door lock can support up to 6-8 months of battery life (based on 10 unlocks per day on a full charge; however, actual battery life depends on environmental conditions, APP connectivity, etc., and should be calculated based on individual needs). Supports emergency power supply and Type-C (5V/2A) interface power supply (when charging the battery, try to charge it completely in one go to ensure better battery life).
• 【𝐑𝐞𝐦𝐨𝐯𝐚𝐛𝐥𝐞 & 𝐑𝐞𝐜𝐡𝐚𝐫𝐠𝐞𝐚𝐛𝐥𝐞 𝐁𝐚𝐭𝐭𝐞𝐫𝐲】:This touchpad door lock is equipped with a 3.7V, 700mAh rechargeable battery. When charging is needed, the battery can be removed for convenient charging without needing to run a power cord to the door. After a full charge, reinstalling the battery allows for continued use of remote control, fingerprint, password unlocking functions. If you require a spare battery, same size 3V battery can be used (currently not included).
• 【𝐂𝐨𝐦𝐩𝐚𝐭𝐢𝐛𝐥𝐞 𝐰𝐢𝐭𝐡 𝟏𝟎𝟎 𝐅𝐢𝐧𝐠𝐞𝐫𝐩𝐫𝐢𝐧𝐭𝐬 & 𝐅𝐥𝐞𝐱𝐢𝐛𝐥𝐞 𝟒-𝟖 𝐃𝐢𝐠𝐢𝐭 𝐂𝐨𝐦𝐛𝐢𝐧𝐚𝐭𝐢𝐨𝐧 𝐔𝐧𝐥𝐨𝐜𝐤𝐢𝐧𝐠】: This biometric door knob supports adding 100 fingerprints via the app, offering enhanced compatibility and eliminating the risk of single fingerprints failing to be recognized. Additionally, the 4-8 digit password can be customized to personal preferences with multiple combination options, making it difficult to crack and providing better privacy.
• 【𝐔𝐩𝐠𝐫𝐚𝐝𝐞𝐝 𝐓𝐨𝐮𝐜𝐡 𝐊𝐞𝐲𝐩𝐚𝐝 & 𝐁𝐢𝐨𝐦𝐞𝐭𝐫𝐢𝐜 𝐅𝐢𝐧𝐠𝐞𝐫𝐩𝐫𝐢𝐧𝐭】: This electronic door lock uses an upgraded touchscreen, improving sensitivity, response speed, and touch accuracy. We've adopted the latest biometric technology in the center fingerprint sensor, ensuring more accurate fingerprint recognition and significantly enhancing privacy. It can simultaneously retain 100 fingerprints, providing a more convenient unlocking experience for you and your family.
• 【𝐈𝐧𝐬𝐭𝐚𝐥𝐥𝐚𝐭𝐢𝐨𝐧 𝐍𝐨𝐭𝐞𝐬】:1. Ensure the diameter of the hole in the door opening is 2.09" and the distance from the edge of the hole to the door panel is 1.18"; 2. Connect the 0.98" diameter hole on the side of the door to the opening left for the door lock; 3. Leave a space of 2.05" * 1.02" in area and 0.08" in depth for installing the side plate. 4.After Precise Testing in the Laboratory, Our Recommended Applicable Door Panel Thickness is Between 1.1-1.18 "(28-30MM)