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⚖️ STANDARD vs PREMIUM – Choose Your Perfect Fit🩶 Standard Version• ⚙️ Standard Motor | 📊 Standard Performance• 🔋 Standard Battery Life | 🚫 No Waterproofing• 🛡️ 5-Year Service Life💎 Premium Version (Recommended)• 🚀 Upgraded Motor | 📈 Enhanced Performance• 🔋 Longer Battery Life | 💧 Waterproof• 🛡️ 10-Year Service Life🚪 6 Ways to Unlock – Never Get Locked Out!• Semiconductor Fingerprint: One-touch fast access with high security.• Passcode Entry: Supports Long-term, Virtual (anti-peeping), and Temporary passwords for guests.• Swipe Card: Convenient access for family members or staff.• Mobile App Remote Unlock: Control your door from anywhere (optional gateway required).• Mechanical Key: Traditional backup for peace of mind.• Type-C Emergency Power: Plug in a power bank to unlock if batteries die. Double emergency unlocking guaranteed! 📲 Smart App Management• User Roles: Assign Administrator, Authorized User, and Tenant permissions effortlessly.• Remote Tracking: Real-time grasp of lock dynamics. Check historical records, status view, and remote unlock reminders (requires Bluetooth Gateway for network use).• Multi-Language Support: Switch languages easily in the app.• Massive Capacity: Store up to 100 fingerprints, 100 passwords, and 100 cards (9-bit administrators). 🛡️ Built to Last & Easy to Install• 250,000 Times Life Test: Durable switch lock mechanism ensures years of reliable use.• Premium Aluminium Alloy: Sleek black design that complements any modern interior.• Auto Direction Recognition: Intelligently detects left or right-hand drive doors automatically. No manual adjustment needed!• Perfect Fit: Adaptive door thickness of 35-55mm. Fits standard interior wooden doors without shaking.• Long Endurance: Powered by four #5 batteries (say goodbye to frequent charging). 📋 Product Specifications:• Material: Aluminium Alloy• Power Supply: Four #5 Batteries• Operating Temperature: -25°C ~ 60°C• Relative Humidity: 20% ~ 90%• Low Pressure Alarm: 4.7V ± 0.2V• Dimensions: 138mm x 68mm 📦 What's in the Box:• Smart Door Lock Panel (Front & Back)• Mechanical Keys• Mounting Hardware• User Manual