Biometric Fingerprint Keyless Electronic Door Lock Bluetooth Keypad Smart Locks for Home by ZKTeco
World's First 4-in-1 Keyless Entry Smart Lock, Code + Smartphone + Fingerprint + Key(Suggest Operation Temperature:>=32℉); For Installation Guide and Instruction, please search "ZKTeco AL20B"on Youtube
Visitor Password;Create a ONE-OFF password for your guests,vistors,or house sitters Via your smartphone.
Lockout Mode;When the lock set as lockout mode,only administrator can open the door,and also can use LOCKOUT SWITCH to enable or disable the mode
Know who comes and goes. A 24/7 activity log tracks who enters and exits your home. And with unique keys for each user, you'll always know who opens your door and when.
Back up key for emergency,bluetooth 4.0 provide less consumption;NOT WATERPROOF, we suggest used on Home or office Interior doors