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| Model | HSY-A20 |
| Power Supply | Lithium Battery |
| Features | Video Surveillance / App Video Intercom / Infared Night Vision / Wide-angle Camera / 1 Million HD Pixels / 4.5 Inch Indoor Screen |
| Unlocking Methods | 3D Face / Fingerprint / Key / App Remote / Palm Vein |
| Security Protection | Anti Pry Alarm / Trial and Error Alarm / Low Battery Alarm |
| Contingency Plan | Mechanical Key Unlocking or Type-C Emergency Power Supply |
| Product List | Front Panel * 1 + Rear Panel * 1 + Built-in Lithium Battery + Lock Body * 1 + Lock Core * 1 + Key * 2 + Magnetic Card * 2 + USB Charging Line + Screw Fittings + Instructions + Installation Drawings |
Advanced 3D Face & Palm Vein recognition technology.
Real-time video surveillance and App video intercom.
Long-lasting Lithium battery with emergency Type-C backup.