DDL507-FV-7HWS features 3D face recognition and dual-lock linkage. With app setup, one face scan at your door unlocks both locks instantly—no extra steps needed. Experience effortless, secure entry and ultimate convenience every time!
Product Features
Dual-lock Linkage Unlock Both in One Step
With linkage set up in the app, unlocking the DDL507-FV-7HWS automatically unlocks the linked lock in sync. If the linked lock supports latch bolt retraction detection, true two-way linkage is possible.
3D Face Recognition Unlocking
Enjoy hands-free access with advanced face recognition that accurately tells apart real faces from photos, videos — so you can breeze through your door without lifting a finger.
· Ultra-fast, energy-efficient
· Broad detection range, seamless unlocking experience
· Reliable recognition in all lighting conditions
Double-sided Fingerprint Lock Safe Access, Inside and Out
Enroll fingerprints on the outside panel once, then unlock effortlessly from both sides. Prevents unauthorized reach-through unlocking for enhanced security.
Remote App Access
Get real-time updates on doorbell alerts, entry logs, and lock anomaly alerts — right on your phone. You’ll stay informed about your front door anytime, anywhere.
Video Door Viewer Easy Online Doorstep Viewing
When the doorbell rings, you’ll get an instant popup notification on your phone. View live video and talk via voice chat — all in one step. It also automatically captures photos or records videos, so you can review missed visits anytime. Stay connected and in control, even when you’re away.
Smart Dynamic Tracking
It detects unusual lingering within 1 meter outside your door by snapping photos or recording video, then instantly pushes alerts to the app.
Multiple Instant Alerts Keeping Your Home Safe 24/7
-Armed mode alert
-Tamper alert
-System lock-out alert
-Mortise abnormality alert
-Lingering alert
Custom Access Control PIN* Tailored to Meet All Visitor Entry Needs
•One-time codes: valid for 6 hours, with a maximum of 10 generated per hour.
•Recurring codes: codes that can be reused at specific times each week.
•Time-limited codes: codes set to be valid within a specific duration.
Low Battery Alert Say Goodbye to Power Anxiety
When battery power falls below 20%, the red light on the outside assembly illuminates during unlocking to promptly remind you to replace and recharge the battery.
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Technical Parameters
| General Characteristics | Material | Aluminum alloy |
| Finishing | Glass / Baking varnish | |
| Color | Gray / Black | |
| Mortise* | Built-in hook bolt | |
| C-grade lock cylinder | ||
| Fingerprint sensor | Semiconductor | |
| Connection | Bluetooth+WIFI |
| Access Solution | Outdoor unlocking | Facial recognition |
| Fingerprint | ||
| PlN code | ||
| Key tag | ||
| Temporary PIN code | ||
| Indoor unlocking | Fingerprint | |
| Mechanical key | ||
| remote control（Optional） |
| Capacity | User PlN code | 20(induded one-time PlN code) |
| Master PIN code | 1 | |
| Fingerprint | 99 | |
| Master Fingerprint | 1 | |
| Key tag | 100 | |
| Facial recognition | 50 |
| Modes | Operation mode | Auto mode |
| Manual mode | ||
| System unlock modes | General mode | |
| Dual verification mode |
| Electrical Power | Power supply | Li-Polymer battery |
| Battery life* | 3 months | |
| Emergency charging* | 5V power bank | |
| Solar panel | Optional | |
| External power supply | Retained Wiring Ports |
| Operating Environment | Temperature | -20°C~+55°C |
| Humidity | 15%RH~93%RH |
| Installation Requirements | Door thickness | 30~90mm |
| Other range* | ||
| Door swing direction | Left-in/Left-out Right-in/Right-out | |
| Door type | Wooden/Iron/sliding door |
| Key Features | Linked unlocking* | Bi-directional linkage unlocking |
| Doorbell & Video | Visitor's arrival notification | |
| Remote visual and two-way intercom | ||
| Voice-changing in video calls | ||
| Lock | System lock | |
| Safety | Hidden PIN code | |
| Dual verification function | ||
| Alert | Anti-dismantling alert | |
| Duress alert | ||
| System locking alert | ||
| Continuous Error alert | ||
| Defense mode alert | ||
| Loitoring alert | ||
| Low battery level alert | ||
| Remote | APP unlocking | |
| Share temporary PlN code | ||
| APP user management | ||
| APP Alert Information | ||
| Check access record | ||
| Update | 0TA | |
| Indicator | Low battery level indicator | |
| Lock status indicator | ||
| System lock indicator | ||
| Voice guide | Human voice guide |
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