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Key Features
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Advanced finger vein recognition – secure and forgery-resistant, works reliably for seniors and children. 
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Multiple unlock methods: Finger vein, Password, Bluetooth, Temporary password, Physical key, NFC/RFID card. 
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Elder-friendly design with virtual password mode, emergency knob unlocking, and indoor double induction unlocking. 
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Built-in UnionPay certified NFC encryption chip for secure card access. 
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Six levels of security protection including anti-lock and anti-electronic tampering. 
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Smart-home integration with Mijia App and Bluetooth gateway for real-time lock management, alerts, and intelligent linkage. 
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Built-in doorbell, abnormal lock warning, and sentinel mode. 
Specifications
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Model: Lockin SV40 
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Unlock Methods: Finger vein, Password, Bluetooth, Temporary password, NFC/RFID card, Physical key 
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Biometric Technology: Infrared finger vein detection 
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Security Features: Anti-lock protection, Anti-black box tamper resistance, Virtual password mode, Emergency knob unlocking, Six security protections, UnionPay certified NFC chip 
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Connectivity & Integration: Mijia App, Bluetooth gateway, Smart-home linkage, Real-time lock status display 
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Additional Features: Built-in doorbell, Abnormal lock warning, Sentinel mode 
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Colour Options: Black, Clear - 
Optional Add-ons: NFC/RFID cards, Professional installation service 
 
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