Product Description: 1, APP intelligent management (1) Remote unlocking (2) Remotely add fingerprints, passwords, cards (3) Temporary password (4) Query of unlocking records 2, automatic switching of multiple languages (1) Multi-language adaptation of mobile phone applications 3, Smart home linkage (1) Trigger linkage when family members go home (2) Trigger linkage when door lock abnormal warning 4, processor upgrade (1) High-speed processing, quick unlocking, more secure 5, Multi-dimensional fingerprint recognition module (1) The recognition speed is faster (2) Satisfy the use of people of all ages 6, intelligent alarm system defense system (1) When the smart lock is abnormal, it will pass the application (2) Send alarms in real time to protect home safety day and night Parameter: Product Name: Fingerprint Smart Lock Dimensions: 70x70x45mm Main material: Zinc alloy Power supply:4 AAA batteries(not included) Lock cylinder grade: C grade Number of fingerprints: 50 Password + Card: <500 Recognition speed: 0.3s Working temperature: -20~60°C Applicable door thickness: 30~55mm Standard lock body: 60~70 adjustable single tongue Unlocking method: fingerprint, password, card, tuya app, key Applicable door type: wooden door, fire door, aluminum alloy door, security door The package includes: Lock*1 Lock tongue*1 (60-70mm adjustable) Mechanical key*2 ic card*2 Mounting accessories*1 Manual*1