Access the smart digital door lock : 1) Fingerprint (up to 80 sets) 2) Pin code / Password (up to 50 sets) 3) RF Tag (included 2 unit per lock, up to 50 units) 4) Mechanical key (included 2 keys per lock) Enhanced Safety Function: 1. Master code function - Any function change must input the master code first. The master code correctly and then going to next step. 2. Easy setting and equipped with voice guide. 3. Break in / Damage alarm - The lock will alarm if the intruder attempt to forced unlocking the lock. 4. Wrong-try lock out - Lock stops operating for 2 minutes with 5 invalid code attempts. Automatics unlocking when input pin code correctly. 5. Low voltage warning - The low voltage signal will show when the batteries power is running low. 6. Emergency power supply - Used the power bank by USB type C interface to re-working the lock. 7. Garbled function - Continuous input any code, as long as correct code been included and then input "#", the lock be open. 8. Biometric fingerprint sensor - Accurate detection of fingerprint ridges and valleys increase the speed and reliability of unlocking. 9. Keypad panel - The keypad panel was made by ABS and screen protects from punches and scratches. 10. Handle lock design - Prevents break-ins from the peephole and unlocking by children or pets. Specification as below : - The Smart Digital Door Lock size: Outer body (L. x W. x D.) : 32cm x 4.2cm x 2.6cm Inner body (L. x W. x D.) : 32cm x 4.2cm x 2.6cm - Smart door lock include accessories : RF Tag - 2 Pieces Mechanical Key : 2 Keys Install accessories : 1 Sets of accessories. - Type of door : Wooden, Stainless Steel, Steel and Brass etc.. - Suitable for door thickness : 45mm ~ 120mm - Door lock backset : 60mm - Power : DC 6V AA (LR6) Alkaline batteries x 8 pieces - Gross weight : 2.80KG.