How to install smart lock V3:
https://www.youtube.com/watch?v=4Gvp1AyJ1Jc&list=PLeQFzh3LX33-0TwktSh_cjS47iO6oVTr_&index=29
TECHINICAL SPECIFICATIONS
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Item No.: HC-V3
Material: Aluminum Alloy, In-mould Labeling, full steel lock body
Size: Front 419*60*62mm, Back 410*80mm
Unlock way: 3D Face Recognition+Tuya+Fingerprint+Password+Card+Key
Battery: 5000mA Lithium Battery
Fingerprint Sensor: 160 pixels, up to 100pcs
Camera: 2,000,000 pixels, face id up to 50pcs
Total capacity: 200pcs
Door thickness: 40-100mm
Emergency power back up: Type C USB Charge
How to install smart lock V3:
https://www.youtube.com/watch?v=4Gvp1AyJ1Jc&list=PLeQFzh3LX33-0TwktSh_cjS47iO6oVTr_&index=29