Require smart door lock with multiple access methods including fingerprint, 3D face recognition, palm recognition, card, password and mechanical key. Must integrate intercom system with doorbell function and enhanced anti-theft protection.  

Prefer construction using aluminum alloy material processed by CNC technology. Need product supporting remote access and anti-peep protection features.  

Require detailed installation guidance and maintenance documentation. Interested in models with auto-lock function and security alarm system.