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Multi-mode Unlocking / Access Methods
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Fingerprint / biometric unlocking
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PIN / numerical passcode / password
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RFID / card access
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Mechanical key as backup
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Possibly remote / app control (WiFi / Bluetooth)
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Some versions include facial recognition or camera + face unlock features
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Power / Battery
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Operates on standard batteries (e.g. 4 × alkaline batteries)
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Low battery warning / emergency power input (common in smart locks)
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Power consumption optimized for standby modes
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Security & Encryption
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Encryption of data communications
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Anti-peep / anti-shoulder surfing PIN input
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Tamper alarm or alert features
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Alarm for forced entry or unauthorized attempts
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Durability & Environmental Protection
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Some models offer water and dust resistance / IP rating (e.g. IP65, IP66)
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Robust construction materials (metal housing, reinforced internal parts)
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App / Smart Home / Connectivity
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Support for mobile app control (often via Bluetooth or WiFi)
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Cloud / remote management possibilities
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Integration with smart home systems (e.g. via Tuya or other platforms)
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Remote unlocking / logging of access history
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Adjustability / Compatibility
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Adjustable size / fit for different door thicknesses or lock types
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Fitting for different door materials (wood, aluminum, etc.)
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Ability to work with different locking mechanisms / mortise types
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Backup & Emergency Features
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User Capacity & Memory
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Number of fingerprints / users supported
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Storage of PINs / user codes
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Logging / record of latest access events
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Warranty & Support
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Optional Features (depending on variant)
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Built-in camera for visual identification or video logs
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Facial recognition / face unlock
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Integration with smart lock protocols / IoT platform
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Over-the-air firmware updates
