This is a black branded smart door lock package.Keyless Entry: These locks commonly feature biometric fingerprint recognition, touchscreen keypads, IC card access, and physical keys.App Control: Many models are Wi-Fi enabled, allowing for remote locking and unlocking via a smartphone app.Advanced Features: Some premium versions include built-in cameras, 3D face recognition, or video intercom capabilities.Safety & Durability: They are typically constructed from durable materials like aluminum alloy or stainless steel and often feature security alarms.