Siemens C621 Digital Door Lock
Siemens C621 Digital Door Lock – Premium Security Meets Sleek Innovation
Secure your home or office with the Siemens C621 Digital Door Lock — a top-tier smart lock that blends cutting-edge functionality with premium materials and modern design. Perfect for those who demand high security, convenience, and elegant aesthetics.
Key Features
Multiple Unlock Methods – Open your door using:
Fingerprint (semiconductor sensor, ultra-fast recognition under 1 second) bepeu.vn+2diennhetht.vn+2
RFID Card trungtambaohanh.com+2sieuthikhoadientu.com+2
PIN / Password with virtual-PIN support diennhetht.vn+2sieuthikhoadientu.com+2
Mechanical key backup (2 keys included) trungtambaohanh.com+2diennhetht.vn+2
Push-Pull Ergonomic Design – Balanced “Push-Pull” handle style for ease of use and a sleek, modern entrance touch. Lockwin Specialist Pte Ltd+2sieuthikhoadientu.com+2
High Capacity Memory – Supports up to 100 fingerprints, 100 cards, and numerous PIN codes depending on vendor configuration, enough for large families or high-traffic spaces. bepeu.vn+2diennhetht.vn+2
Automatic Locking + Alarms – The lock auto-locks a few seconds after the door is closed, with audible closing alerts. It also features intrusion alarms (incorrect attempts), low battery warnings, and tampering detection. diennhetht.vn+2bepeu.vn+2
Advanced Security Functions:
Virtual PIN to prevent “peeking” watchers from guessing your code sieuthikhoadientu.com+1
Dual authentication mode available (combining methods: e.g. fingerprint + PIN) for added security bepeu.vn+2diennhetht.vn+2
High ESD protection (electrostatic discharge) to safeguard electronics from static or surge damage. bepeu.vn+1
Material & Durability – Crafted using high-grade materials: polycarbonate faceplate, stainless steel / Inox 304 body, anti-rust framework. Built for durability, resistant to wear, weather, and daily usage. sieuthikhoadientu.com+2trungtambaohanh.com+2
Door Compatibility – Works with doors of thickness between ~45mm to 120mm; requires door frame / stile width of at least ~100mm. Suited for solid wooden doors, steel doors, and reinforced/composite doors. sieuthikhoadientu.com+2bepeu.vn+2
Power & Backup – Powered by 8 × AA batteries. Includes USB / Type-C emergency power / backup for when batteries run dry. Low battery notifications ensure you’re never locked out. bepeu.vn+2sieuthikhoadientu.com+2
Voice Prompts & User Interface – English (and other language) voice guidance for setup and use; illuminated touch keypad. Offers an intuitive experience even for beginners. diennhetht.vn+2bepeu.vn+2
📋 Technical Specifications
| Specification | Details |
|---|---|
| Model | Siemens C621 Digital Door Lock |
| Unlock Methods | Fingerprint, RFID Card, PIN Code (with virtual PIN), Mechanical Keys |
| Capacity | Up to ~100 fingerprints; ~100 cards / or vendor-specified; many PINs |
| Auto-Lock | Yes (after door closing) |
| Security Features | Anti-prying, tamper alarms, anti static (ESD), wrong-code alerts |
| Material | Polycarbonate faceplate / Inox 304 / Stainless Steel body |
| Door Thickness Compatibility | ~ 45 mm to 120 mm sieuthikhoadientu.com+1 |
| Minimum Door Frame / Stile Size | ~100 mm wide sieuthikhoadientu.com+1 |
| Power Supply | 8 AA batteries; emergency USB / Type-C backup sieuthikhoadientu.com+1 |
| Finish Colors | Typically Grey / Titanium / Champagne / Silver options depending on model/market bepeu.vn+2Kaya Smart Home+2 |
| Warranty | Usually 2 years from authorized retailer Lockwin Specialist Pte Ltd+2diennhetht.vn+2 |
Why Choose the Siemens C621?
Exceptional balance of security, style, and multiple access methods — gives you flexibility of unlocking.
Strong materials and robust build ensure long life, even in humid or high-use environments.
Smart features (auto-lock, virtual PIN, alarms) reduce risk of unauthorized access or misuse.
Elegant Push-Pull handle design adds modern aesthetics and ergonomic ease.

