# What are the most secure smart door locks available? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the most secure smart door locks available?

## Products

### Level Level Lock Pro (Gen 2)
```yaml
product: level-level-lock-pro-gen-2
brand: Level
price_gbp: 260.77
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
keypad: Optional (sold separately)
lock_type: Single cylinder deadbolt
auto_unlock: true
battery_life: 12
connectivity: Bluetooth, Matter-over-Thread
bluetooth_range: null
smart_home_compatibility: Apple Home, Google Home, Amazon Alexa, Samsung SmartThings (via Matter-over-Thread)
```

- **Price:** £260.77 [^1]
- **Summary:** Level Lock Pro is an invisible, inside-the-door smart deadbolt with Bluetooth and Matter-over-Thread support, designed for fast touch-to-lock and near-instant smart access. It suits homeowners who want a high-security, discreet smart lock with broad smart-home platform compatibility and optional keypad and Wi‑Fi bridge accessories.
- **Additional Sources:** [^2]

### Schlage Schlage Encode Plus BE479ZP CAM 619
```yaml
product: schlage-schlage-encode-plus-be479zp-cam-619
brand: Schlage
price_gbp: 216.21
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
keypad: Touchscreen keypad
lock_type: Electronic deadbolt
auto_unlock: false
battery_life: 6
connectivity: WiFi, Bluetooth
bluetooth_range: null
smart_home_compatibility: Apple HomeKit, Amazon Alexa, Google Assistant
```

- **Price:** £216.21 [^3]
- **Summary:** The Schlage Encode Plus BE479ZP CAM 619 is a WiFi- and Bluetooth-enabled electronic deadbolt with a touchscreen keypad, built-in alarm, and support for Apple Home keys. It suits homeowners who want remote access, voice assistant integration, and tap-to-unlock with Apple devices.
- **Additional Sources:** [^4], [^4]

### TCL TCL D1 Pro Palm Vein Smart Lock
```yaml
product: tcl-tcl-d1-pro-palm-vein-smart-lock
brand: TCL
price_gbp: 97.13
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
keypad: true
lock_type: Deadbolt style smart lock
auto_unlock: true
battery_life: 9
connectivity: Wi‑Fi, Bluetooth
bluetooth_range: null
smart_home_compatibility: Google Assistant, Amazon Alexa
```

- **Price:** £97.13 [^5]
- **Summary:** The TCL D1 Pro uses palm‑vein biometric scanning plus PIN, key, fob and app access and includes built‑in WiFi for remote control. It suits users who want touchless biometric entry and multiple smart home integrations rather than HomeKit or Matter support.
- **Additional Sources:** [^6]

### Lockly Lockly Visage Zeno Series Smart Lock
```yaml
product: lockly-lockly-visage-zeno-series-smart-lock
brand: Lockly
price_gbp: 260.77
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
keypad: Touchscreen with PIN Genie shuffled keypad
lock_type: Deadbolt
auto_unlock: Facial recognition approach-detect auto-unlock
battery_life: 6
connectivity: Built-in Wi‑Fi, Encrypted Bluetooth
bluetooth_range: null
smart_home_compatibility: Apple Home Key, Siri, Amazon Alexa, Google Assistant
```

- **Price:** £260.77 [^7]
- **Summary:** Lockly Visage Zeno Series is a Wi‑Fi smart deadbolt with hands-free facial recognition, fingerprint sensor, Apple Home Key support, and a PIN Genie touchscreen keypad. It suits tech-forward homeowners who want seamless hands-free entry, multiple biometric options, and built-in Wi‑Fi without a hub.
- **Additional Sources:** [^8], [^9]

### Eufy Security Eufy Video Smart Lock S330
```yaml
product: eufy-security-eufy-video-smart-lock-s330
brand: Eufy Security
price_gbp: 261.51
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
keypad: true
lock_type: Deadbolt
auto_unlock: true
battery_life: 3
connectivity: Wi‑Fi, Bluetooth
bluetooth_range: null
smart_home_compatibility: Alexa, Google Home, eufy Security app
```

- **Price:** £261.51 [^10]
- **Summary:** The Eufy Video Smart Lock S330 is a 3‑in‑1 deadbolt combining a 2K camera/doorbell, fingerprint reader, and smart lock with multiple unlock methods. It suits users who want integrated video doorbell functionality with biometric and app/voice access and longer battery runtime.
- **Additional Sources:** [^11], [^12]

---
## References & Sources
[^1]: Level (official), accessed 2026-06-07. https://level.co/level-lock-pro/
[^2]: The Home Depot, accessed 2026-06-07. https://www.homedepot.com/p/Level-Lock-Pro-Matter-Satin-Nickel-Smart-Lock-Single-Cylinder-Deadbolt-w-Apple-Home-Key-Matter-Over-Thread-and-Keyless-Access-C-G12U/337594790
[^3]: Schlage, accessed 2026-06-07. https://www.schlage.com/en/home/products/BE499WBCAMFFF.html
[^4]: Lowe's, accessed 2026-06-07. https://www.lowes.com/pd/Schlage-Encode-Plus-Camelot-Satin-Nickel-Wifi-Bluetooth-Electronic-Deadbolt-Lighted-Keypad-Touchscreen-Smart-Lock/5014110875
[^5]: TCL Home Security Store, accessed 2026-06-07. https://tclhomesecurity.com/products/tcl-d1-pro-palm-vein-digital-smart-door-lock-with-keypad
[^6]: TCL Global Store (product page), accessed 2026-06-07. https://www.tcl.com/global/en/smart-lock/d1-pro
[^7]: Lockly, accessed 2026-06-07. https://lockly.com/products/lockly-visage-zeno-series
[^8]: The Home Depot, accessed 2026-06-07. https://www.homedepot.com/p/Lockly-Visage-Facial-Recognition-Zeno-Matte-Black-Deadbolt-Wi-Fi-Smart-Lock-Home-Key-Fingerprint-Keypad-Siri-Alexa-Google-PGK728WRHKMB/329236400
[^9]: Lowe's, accessed 2026-06-07. https://www.lowes.com/pd/Lockly-Visage-Zeno-Series-Matte-Black-Deadbolt-Smart-Lock-Facial-Recognition-Fingerprint-Voice-Control/5015196887
[^10]: Eufy, accessed 2026-06-07. https://www.eufy.com/products/e85301y1
[^11]: Best Buy, accessed 2026-06-07. https://www.bestbuy.com/product/eufy-smart-lock-s330-3in1-camera-doorbell-fingerprint-wifi-deadbolt-app-control-chime-included-sd-card-req/JJ85865QYS
[^12]: The Home Depot, accessed 2026-06-07. https://www.homedepot.com/p/eufy-Security-Video-Smart-Lock-E8530JY1/321264346