Access the smart digital door lock : 1) Mobile APP (Bluetooth) 2) Fingerprint (up to 120 sets) 3) Pin code / Password (up to 150 sets) 4) RF Tag (included 2 unit per lock, up to 200 units) 5) Mechanical key (included 2 keys per lock) Enhanced Safety Function: 1. Administrator function - Any function change must input the administrator code or fingerprint first and then going to next step. 2. One-time / Duration / Permanent access - Generate one-time/Duration/Permanent access in the mobile APP at anytime and anywhere. Grant access to visitors even when you are away from home. 3. Access record - Get various type of updates when the lock was connected by Bluetooth from the mobile APP, for example access record and low battery warning. 4. Enhanced IoT security - In case a family member loses their mobile phone, owner can delete that single family member on the mobile APP immediately. After doing so, all the unlock methods connected to that user become invalid to ensure home safety. 5. Break in / Damage alarm - The lock will sound if the intruder attempt to forced unlocking the lock. 6. Wrong-try lock out - Lock stops operating for 3 minutes with 5 invalid code attempts. Automatics unlocking when input pin code correctly. 7. Low voltage warning - The low voltage signal will show on lock and show on mobile APP when the batteries power is running low. 8. Emergency power supply - Used the power bank by USB type C interface to re-working the lock. 9. Garbled function - Continuous input any code, as long as correct code been included and then input "#", the lock be open. 10. Biometric fingerprint sensor - Accurate detection of fingerprint ridges and valleys increase the speed and reliability of unlocking. Specification as below : - The Smart Digital Door Lock size: Outer body (L. x W. x D.) : 150mm x 64mm x 26mm Inner body (L. x W. x D.) : 150mm x 64mm x 26mm - Suitable for door thickness : 45mm ~ 60mm - Backset of the lock : Adjustable Latch (adjustable 2-3/8"{60mm} or 2-3/4"{70mm}) - Power : DC 6V AA (LR6) Alkaline batteries x 4 pieces - Gross weight : 1.20KG.