Smart Fingerprint Door Lock S550+ Pro
The ALOCK S550+ Pro Automatic Pilot-Style Digital Lock is one of ALOCK’s latest facial recognition door handles, equipped with a 2024 digital peephole. The touch panel is designed using IML (In-Mold Labeling) technology for enhanced durability and visual appeal.
In the latest versions of this product, several advanced features have been introduced, including:
- Video call capability
- touch-free doorbell activation
- hidden camera
- memory card support
and more — all of which will be explained in detail below:
When someone stands in front of the door handle, the motion sensor detects their presence. If the individual is a registered user, the door will unlock automatically. Otherwise, the system immediately captures photos and videos, storing them on the pre-installed memory card. Additionally, a notification is sent to the administrator and app users to alert them of any unauthorized presence.
The updated model features a larger 4-inch monitor and a high-resolution, enhanced night-vision camera capable of transmitting images directly to smart home touch panels.
When it comes to expertise in smart locks, ALOCK is a true industry leader, continuously advancing with cutting-edge global technologies.
One of the standout features for offices and server rooms is user access control and live camera feed accessible via PC.
With the new update, the admin can assign each user a unique password via the mobile app. Access can be configured for specific days of the week and specific hours. For example, a user named Morteza can be allowed access only from Sunday to Thursday, 9:00 AM to 4:00 PM, and will be denied entry at any other times.
Additionally, this handle now includes an 8GB memory card, allowing users to extract and review recorded videos and images. One of the most innovative features is the ability to remotely activate the hidden camera from anywhere in the world via mobile, providing live video and audio access without needing to press the doorbell.
The facial recognition module boasts an elegant, eye-catching design. The fingerprint scanner is a highly sensitive capacitive type, similar to those used in smartphones. ALOCK uses advanced dual-lens 3D facial recognition technology (Double Eyes Deep Sense Scan) to ensure maximum security.
This biometric lock supports two-step biometric authentication. For example, the door will only unlock after both facial recognition and fingerprint verification — ideal for those seeking the highest level of security, such as enabling a double-lock system.
The S550+ Pro is a fully intelligent, next-generation digital lock. Its 8-megapixel peephole camera activates when the doorbell is pressed, capturing and displaying images of visitors on the internal monitor. It also offers real-time image transmission to the administrator’s smartphone.
With this biometric handle, you can manage entry with maximum security and precision. The system supports both offline and online reporting capabilities. The live capacitive fingerprint scanner is water-resistant and rated IP65, ensuring durability even in humid environments.
Lastly, the lock includes a decoy code feature, an added security measure to prevent password hacking attempts.
| Smart Fingerprint Door Lock S550+ Pro Technical Specifications |
| Model: |
S550+ Pro |
| Color: |
Black |
| Weight: |
5.2 kg |
| Handle Dimensions: |
40.5 cm × 8.5 cm × 3.2 cm |
| Lock Dimensions: |
9 cm depth, 24 cm height |
| Handle Material: |
Aluminum |
| Lock Material: |
Triple-alloy steel |
| Fingerprint Capacity: |
Up to 100 users |
| Password Capacity: |
Up to 100 users (6–12 digits) |
| Facial Recognition: |
Yes, up to 100 users |
| Palm Recognition: |
– |
| Card Capacity: |
Up to 100 users |
| Two-Factor Authentication: |
Yes |
| Digital Peephole: |
Yes |
| Internal Digital Peephole Monitor: |
Yes, 4-inch color display |
| Latch Operation: |
Automatic and manual |
| Internal Image Storage: |
Yes (8GB original ALOCK memory card) |
| Remote Control: |
Available (optional) |
| Live View on Mobile of Visitor at Door: |
Yes |
| Mechanical Key: |
Yes (Super B type) |
| Access Log (Offline): |
Last 1,000 entries |
| Specific Day Access Reports: |
Yes |
| iPhone/Remote Control Compatibility: |
Yes |
| User Count Memory Display: |
Yes |
| Decoy Code Feature: |
Yes |
| Passage Mode: |
Yes |
| Multi-Admin, Clock & Date Settings: |
Yes (up to 9 administrators) |
| Battery Level Display: |
Yes |
| Low Battery Alert: |
Yes |
| Incorrect Fingerprint/Code/Card Alert: |
Yes |
| Used User Count Memory Display: |
Yes |
| One-Time Password Creation via Mobile: |
Yes |
| Door Left Open Alert: |
Yes |
| Touch Doorbell Key: |
Yes |
| Humidity & Heat Resistance: |
Yes (up to 78% humidity) |
| Internal Power Supply: |
9V rechargeable lithium battery |
| External Power Supply: |
Micro USB port |
| Night Lock: |
Yes |
| Door Compatibility: |
Suitable for wooden, security, multi-lock, and fireproof doors (door thickness 4–20 cm) |
| Mute Function: |
Yes |
| Voice Guidance: |
Yes |
| Child Lock: |
Yes |
| Mobile Online Technology: |
Yes (via Usmart Go app) |
| Accessories Included in Package: |
– Installation kit
– user manual
– 1 access card
– screw and rod set
– key
– lock body
– Frame plate
– Mechanical cylinder with 2 keys
– Warranty card |
| Warranty Period: |
5 years for electronic components from the date of purchase |
| Lithium Battery Warranty: |
3 months |
| Touch Doorbell Key: |
Yes |
| After-Sales Service Duration: |
15 years from the date of purchase |
| Assembled in: |
Turkey |
| Scanner Type: |
360° live capacitive scanner |
| Block Mode: |
Yes |
| Emergency Power Supply: |
Yes |
Facial Recognition:
Most facial recognition scanners in products available on the world market use 2.5D technology and require the user to align their face within a designated frame visible on an external monitor. However, in this fingerprint lock, a 3D infrared facial scanner is employed, which instantly scans the user’s face and unlocks the door significantly faster. This advanced scanner is capable of recognizing faces even in complete darkness.
Digital Peephole:
The fingerprint scanner in the P60+ Pro facial recognition lock is an ergonomic biometric type, featuring an exceptionally low error rate of 0.0001 and a fingerprint recognition speed of 0.15 seconds, making it one of the most efficient biometric scanners currently available on the global market.
In all fingerprint locks worldwide, scanners are relatively resistant to moisture. However, if exposed to high humidity, direct water contact, or substances such as cleaning agents and disinfectants, the scanners may become damaged.
Decoy Code Feature:
The decoy code system in the P60+ Pro handle is designed to prevent hacking or password theft by onlookers. One of the system’s most sophisticated and effective algorithms allows the main password to be concealed within a string of random digits. In practice, if strangers are present, the user can enter any number of digits before or after the actual password. This functionality significantly enhances password security and increases user satisfaction and peace of mind.
System Management:
The P60+ Pro facial recognition lock supports the assignment of up to 9 administrators (Admins), each with individual access to the management system, allowing them to configure settings independently. The minimum number of Admins is one, and the maximum is nine. One of the key distinctions of this handle is that administrators can access system settings via fingerprint authentication.
Reporting System:
Access control is one of the standout features of this product line. The system enables detailed tracking of user entries, including names, exact time, date, and entry method (password, card, or mobile), setting it apart from competitors. One way to access this information is directly through the lock’s menu. Admins can navigate to the “Access Log” section and view the last 1,000 entries directly from the handle interface.
User Deletion Capability:
Most digital locks available in the world allow for user registration but lack the ability to delete individual users without performing a full system reset. A unique feature of this handle is the ability to delete users by their specific ID. Admins can access the lock settings and remove any desired user without affecting others.
Automatic Re-Locking:
This system allows for automatic re-locking after door access, with customizable timing settings. Once a user opens the door, the lock can be set to automatically lock again after a few seconds. This feature is particularly useful for individuals who may be forgetful or are too busy to ensure the door has been secured manually.
Two-Factor Authentication (2FA):
When it comes to strict access control and enhanced security for your desired spaces, ALOCK naturally becomes the top choice—thanks to the built-in 2FA feature available in all its products. However, in the P60+ Pro model, this feature is even more advanced. When two-factor authentication is enabled, unlocking the door requires two separate credentials. The combinations may include:
- Face + Fingerprint
- Face + Card
- Face + Password
- Fingerprint + Password
- Fingerprint + Card
- Password + Card
Device Power Supply:
The Pmax Pro facial recognition lock is powered by a 9V 4200 mAh lithium battery. Battery life depends on user frequency, but on average, it requires recharging every 3 to 6 months.
Emergency Power Supply:
When the battery level drops, users are notified via both the device’s display and mobile app, with real-time low battery alerts sent as notifications. In such cases, a power bank and Android charging cable can be used to power the device externally. Once powered, you can unlock the door using a valid password or card, and then proceed to recharge or replace the battery from inside.
Emergency Key:
A mechanical anti-theft and anti-corrosion key is one of the final layers of security offered by the P60+ Pro handle. This key is designed for emergency situations—such as when the lock has completely shut down after repeated low-battery warnings and no external charging source (like a power bank or Type-C Android cable) is available.
It is strongly recommended to store the emergency keys outside the unit to ensure easy access in case of emergencies and prevent inconvenience to users.
Moisture Resistance:
The inner and outer panels of the handle are made from high-density aluminum. The product’s electronic board is highly resistant to humidity, making it ideal for humid and coastal. Compared to global competitors, this lock offers exceptional quality and durability in high-moisture environments.
Comparison with Other Brands:
Most leading digital lock brands in the world are sales-driven, focusing primarily on product sales. However, ALOCK takes a service-oriented approach, which has significantly increased consumer trust in the brand’s high-quality products, reliable after-sales service, and valid warranties. This is one of the key differences between ALOCK and similar products on the market.
Another advantage of the P60+ Pro facial recognition lock is its user capacity. While most brands support only 5 to 25 offline users, this model can store up to 300 offline users.
Also notable is the lock body material. Many locks in the world market are made from lead for ease of operation, whereas ALOCK uses reinforced steel, making the lock resistant to bullets and crowbars, withstanding pressure up to 1,112 kilograms. Additionally, acid does not affect ALOCK’s steel lock bodies, ensuring greater durability and safety.
Comparison with Other ALOCK Models:
Comparison with Pmax Face (Digital Peephole Model):
These two models differ in the presence of a digital peephole and in the features available via the mobile app.
Comparison with Pmax Handle (with Digital Peephole):
In addition to having a digital peephole like the Pmax Pro, differences include app functionality and the ability to view the exterior from your mobile phone.
Comparison with Pmax Camera Facial Recognition Lock:
The main difference between these models is the absence of a digital peephole and internal monitor in the Pmax Camera.
Comparison with P80 Face Fingerprint Lock:
This comparison is particularly interesting. Please see the details below:
The P80 Face model does not have an internal monitor for viewing outside, but this function is available via mobile.
The P80 Face features a touch-enabled OLED color display on the exterior handle, allowing you to schedule access times, days of the week, and assign user names — a function not available in the Pmax series.
While both models offer similar digital peephole functionality, the P80 Face only sends still images to the administrator and does not support video recording on mobile, whereas the P60+ Pro does allow video recording on its internal monitor.
P60+ Pro supports real-time video transmission, while the P80 only captures still images.
The night-lock mechanism on the P80 series uses a separate handle, while in the P60+ Pro, it operates automatically with the main handle.
The P80 software uses the advanced Tuya app, which is compatible with Tuya smart home systems.
On the other hand, the Pmax software is developed by a specialized visual communication and camera technology provider, offering stronger performance in image transmission than Tuya.
In terms of software, Tuya excels in some configuration features, such as notification settings, while Xhome (used in Pmax) offers superior real-time image transfer.
Connecting the handle to Xhome is easier than Tuya, although Tuya offers more customization for notifications and alerts.
Applications:
Suitable for residential, commercial, server rooms, high-security areas, and more.
Advantages Over Other Methods:
Real-time access control via mobile app, with automatic image and video recording of anyone who approaches the door.
Faster image and video capture without the need to touch the handle — activation occurs simply by standing in front of the door.
Compared to mechanical and password-based locks, this product offers faster and more efficient user authentication.
No need to carry keys, quick lock/unlock operation, ergonomic design, and high-sensitivity motion sensors that detect even the slightest movement.
Two-step biometric verification using 3D facial recognition, capable of capturing deeper and wider facial angles compared to other brands.
Key Features Compared to Similar Products on the Market:
The fingerprint scanner is placed ergonomically on the handle, ensuring greater comfort for users.
A standout feature of this product is the Double Eyes facial recognition technology, which sets it apart from other models.
The ability to activate the camera via the mobile app without needing to touch the doorbell key is a distinctive function.
The built-in memory card allows for internal storage of captured images and videos, which can easily be extracted later.
With Japanese-made circuit boards and A+++ energy efficiency, this is one of the lowest power-consuming smart handles on the market.
Another competitive edge is its compatibility with a wide variety of door types, including wooden, security, and multi-lock doors — a capability many competing brands lack.
Seamless integration with smart home touch panels, allowing users to view images and configure settings directly on their smart panel, is another unique benefit.
Smart home system compatibility is a signature feature of ALOCK products. The device connects wirelessly and supports all major smart automation protocols.
A 5-year full warranty reflects the superior design and build quality, placing this product well above industry standards.
Installation & User Training:
Installation and setup are provided by authorized technicians. A comprehensive user manual is included, and all training videos are available on the official website: www.ALOCK.tr
Safety Features:
The built-in hidden camera allows the device to record images of individuals outside the door without requiring contact, along with offline and online access logs — key components of this lock’s safety design.
The S550+ Pro model includes tamper alerts if the lock is manipulated from the outside, and error alerts for incorrect password or fingerprint attempts.
If a person stands in front of the lock multiple times, the system identifies whether they are a registered user. If they are not, the lock sounds an alarm after a few seconds.
Block Mode is another critical safety feature: if a user enters the wrong password multiple times, the handle automatically shuts down for one minute, disabling the keypad, fingerprint scanner, and all other inputs.
With each additional incorrect attempt, the lock remains disabled for 90 seconds, effectively deterring unauthorized users.
The mechanical key is made from acid-resistant material and is placed beneath the handle, making it extremely difficult for intruders to access the lock cylinder.
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