Smart lock connections
Compare Wi-Fi, Bluetooth/local, and hub-based smart locks so you know when remote access, batteries, and extra bridges matter before you buy.
Lockin LKMSD551 Palm Vein Video Smart Lock
Product details
General specs
- Brand: Lockin
- Model: LKMSD551
Starting from €205.27
Last price update: 10/4/26
FAQ
The Lockin LKMSD551 is designed for standard door sizes with a thickness of 1.375 to 2 inches. Ensure your door meets these specifications before installation.
The dual biometric access allows for fingerprint and facial recognition, providing two secure methods to unlock your door without keys.
Yes, with its waterproof rating, the Lockin LKMSD551 is designed to withstand various weather conditions, making it suitable for both indoor and outdoor use.
The Lockin LKMSD551 offers a Bluetooth range of up to 30 feet and Wi-Fi connectivity for remote access from anywhere with an internet connection.
The included Lithium Polymer battery lasts approximately 6 months under normal usage before needing a recharge.
Yes, the Lockin LKMSD551 supports multiple user profiles, allowing you to grant access to family members or employees easily through the app.
In case of a dead battery, you can use the included physical key or an external power bank to temporarily power the lock for access.
While the Lockin LKMSD551 does not natively support voice control, it can be integrated with smart home systems that offer voice control features.
The Lockin LKMSD551 uses advanced encryption for Bluetooth and Wi-Fi communications, along with regular firmware updates to protect against vulnerabilities.
The Lockin LKMSD551 comes with a 2-year limited warranty covering manufacturing defects and hardware malfunctions under normal use.
Similar products comparison
| This model | Recommendations | |||||
|---|---|---|---|---|---|---|
Lockin LKMSD551 3-in-1, Dual Biometric Access
|
Lockin Veno Pro 4-in-1 smart lock with camera
|
Lockin LKMSD411A Next-Gen Palm Vein Recognition - Unlock in 0.17s
|
TCL D2 Pro AI Palm Vein Recognition
|
GHome Smart KD10 Black Innovative Palm Vein Smart Lock
|
Palm Vein Smart Lock with 2K Security Camera & Video Doorbell Palm vein recognition unlocking
|
|
| Brand | Lockin | Lockin | Lockin | TCL | GHome Smart | Anybell |
| Model | LKMSD551 | Veno Pro | LKMSD411A | D2 Pro | KD10 | |
| Color |
|
|
|
|||
| Rating |
|
|
|
|
|
|
| Price | €205.27 | €232.04 | €121.37 | €133.87 | €74.02 | €136.54 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 15, 2026 | Apr 8, 2026 | May 24, 2026 | May 27, 2026 | Mar 21, 2026 | Jun 19, 2026 |
| Material | Zinc Alloy | Zinc | Zinc | Aluminum | Zinc | |
| Battery Cell Type | Lithium Polymer | Lithium Polymer | Lithium Polymer | |||
| Batteries Included | Yes | Yes | No | |||
| Lock Type | Biometric, Deadbolt, KeypadBiometric | Biometric, Deadbolt | Biometric, Deadbolt, Combination Lock | Palm Vein Smart Lock, Biometric, Smart Lock Deadbolt | ||
| Special Feature | Motion Sensor, Night Vision, HD Definition, Palm Vein, Auto-Lock, One-Touch Lock | Pincode Unlock, Weather Resistant, Anti-Bump, Auto-Lock, Palm Vein&Fingerprint Recognition | Touchscreen, Doorbell, AI Palm Vein, Rechargeable, Auto-Lock | |||
| Connectivity Protocol | Bluetooth, Matter, Wi-Fi | Bluetooth, Matter, Wi-Fi, Thread | Wi-Fi | Bluetooth, Wi-Fi | ||
When this device makes sense
Product confidence
Reviews
There are no text reviews yet. If you have experience using this product, please leave a review. It will help other people decide whether this product is right for them.