

Product Features
Built for extremes, performs rock-solid
Unaffected by high temperature, humidity, dust.
Withstands up to 70°C
Tested under alternating temperatures from -25°C to 70°C, DDL621-5HWS runs over 5 hours continuously at both temperature extremes without issue.
Unlock Matrix - 6
App, Fingerprint, PIN code, Key card, Remote control (optional), Key.
Semiconductor fingerprint sensor
One-grip instant recognition
- Recognition speed ≤ 0.5s
- False rejection rate ≤ 5%
- False acceptance rate ≤ 0.001%
Remote unlock
Online 24 hours a day. One - click remote unlocking via the APP.
Remote access via the App
Connect to the Home Access App to view your lock status, unlock records, doorbell activity, and alerts anytime—stay on top of your home at all times.
Dual-lock linkage Unlock both in one step
Set up a linked lock via the app. When the linked lock is unlocked, the DDL621-5HWS unlocks automatically—providing a seamless, worry-free entry.
Real-time Alert via App
Tamper alert
System lock-out alert
Armed mode alert
Low battery alert
Remote PIN code sharing
Flexible solutions for every visitor scenario.
Recurring codes
Time-limited codes
One-time codes
Close and go, worry-free
With the automatic mortise, no need to lift the handle; it locks automatically upon closing.
Open doors, open smiles
Passage Mode lets guests in with a push—the smile light shows it's ready.
Double-click to unlock, single-click to lock
Works with the DDA006 remote for lock/unlock operations up to 100 meters.
Show All Product Features
Technical Parameters
| General Characteristics | Material | Aluminum alloy(Exterior assembly) |
| Zinc alloy(Interior assembly) | ||
| Surface treatment | Spray painting | |
| Color | Starry Gray | |
| Obsidian black | ||
| Handle | Lever type | |
| Mortise | Auto mortise | |
| C-grade lock cylinder | ||
| Fingerprint sensor | Semiconductor fingerprint sensor | |
| Connectivity | Wi-Fi |
| Access method | Outdoor unlocking | Key tag |
| Fingerprint | ||
| PIN code | ||
| Temporary PIN | ||
| Mechanical key | ||
| Indoor unlocking | Unlock button | |
| Mechanical quick-release handle (Downward press) |
| Capacity | Fingerprint | 99 |
| Master Fingerprint | 1 | |
| User PIN code | 20 (include one-time PIN code) | |
| Master PIN code | 1 | |
| Key tag | 100 |
| Modes | System mode | General mode |
| Dual-verification mode | ||
| Passage mode |
| Power | Operating power supply | 4 × AA alkaline batteries (max. 8) |
| External power supply | 5V power bank |
| Operating Environment | Operating temperature | -20°C~+70°C |
| Operating humidity | 15%RH~93%RH |
| Installation Requirements | Door thickness | 38~120mm |
| Door-swing direction | Left-in/ Left-out | |
| Right-in/ Right-out | ||
| Door type | Wooden door/Copper door/Security door |
| Key Features | Locking function | System lock |
| Security features | Hidden PIN code | |
| Armed mode | ||
| Dual verification | ||
| Alert | Tamper alert | |
| Remote functions | Access log query | |
| Temporary PIN distribution | ||
| Doorbell & video | Do Not Disturb (DND) mode supported | |
| Emergency escape | Mechanical quick-release handle | |
| Upgrade options | OTA update or update via interface on interior assembly | |
| Indicators | Low-battery indicator | |
| Mute indicator |
Show All Technical Parameters
Related Products

