• Bluetooth 4.0
  • Reversible Handle Design
  • Random Password
Lever Lock With Touch Screen and Bluetooth-Fingerprint
Lock Out Mode 
All normal users (othe than admin) will be locked out
BLE 4.0
Unlock your door using dedicated mobile App on yoursmart phone
30mm Thinness
Support super thinness of 30 mm.
Voice Guide Programming
Easy to program,support Portuguese, Spanish, English
Random Password 
Anti- peep design, enhanced code security
Reversible Handle Design
To fit for all door open direction
Volume Adjustment
include high volume, low volume and silent mode
Alarm Mode
Low battery warning & illegal operation warning
Back Up Power
Emergency battery port of 9V
MaterialZinc Alloy
Mortise TypeGerman mortise
Door Thickness30-54 mm (standard)
User Capacity100
Password capacity100
Fingerprint capacity100
Wireless ModuleBLE4.0
Power Supply4×AA Alkaline battery (NOT supplied)
DimensionsFront - 73(W)×179(L)×37(D)mm
Back - 73(W)×179(L)×27(D)mm

Data Sheet

Download Date Files
AL20DB Data Sheet 13/02/2023
AL20DB Data Sheet1.22 MB

User Manual

Download Date Files
AL20B/ AL20DB User Manual 18/01/2019
al20b-user-manual-v1.1-20180301.pdf284.7 KB

Installation Guide

Download Date Files
AL10DB/ AL20DB Installation instruction 04/10/2018