How to install smart lock HC-02:
https://www.youtube.com/watch?v=YacSFqFvOko&list=PLeQFzh3LX33-0TwktSh_cjS47iO6oVTr_&index=16
TECHINICAL SPECIFICATIONS
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Item No. : HC-02
Material : Aluminium
Size : 234*26*34mm
Network : Bluetooth
Unlocking Way : Fingerprint+Tuya app+Key
Unlocking Efficiency : ≈1.5 seconds
Battery : Built-in 3.7V rechargeable battery
Power Supply : USB charge
Fingerprint Capacity : 40pcs
Color : Black, Pearl White, Brown, grey
Alarm : Low battery alarm
Certificate : CE, FCC, RoHS
Suitable Door Thickness :
Type 1: 37-56mm
Type 2: 37-39mm, 44-45mm, 48-50mm, 53-54mm
Application : Sliding wooden door and aluminum door
How to install smart lock HC-02:
https://www.youtube.com/watch?v=YacSFqFvOko&list=PLeQFzh3LX33-0TwktSh_cjS47iO6oVTr_&index=16