Would we be comfortable putting our trust in a smart deadbolt that promises fingerprint access in under 0.5 seconds and a PIN system that prevents shoulder-surfing?
Product Snapshot
We’ll summarize what the Lockly Secure Plus, Bluetooth Smart Deadbolt, Keyless Entry Door Lock, PIN Genie® Keypad, 3D Biometric Fingerprint Sensor, Auto Lock – Satin Nickel (PGD728FYSN) – Left Fingerprint Edition offers at a glance. This section gives us a quick view of core capabilities before we go further into hands-on impressions.
Key specifications
We like to keep technical specs front and center so we can refer back to them as we evaluate. These are the most relevant specifications for installation, compatibility, and daily use.
| Feature | Details |
|---|---|
| Model | Lockly Secure Plus (PGD728FYSN) – Left Fingerprint Edition |
| Finish | Satin Nickel |
| Unlock methods | 3D biometric fingerprint, PIN Genie keypad, smartphone app (Bluetooth), physical key |
| Fingerprints stored | Up to 99 (Second Gen 3D biometric sensor) |
| Auto-lock | Programmable (customizable delay) |
| Remote alerts | Real-time monitoring with optional Wi‑Fi hub |
| Battery | Battery-powered (4 AA typical, check manual for specifics) |
| Door compatibility | Left or right swing, 1⅜”–2″ thickness; not for storm doors or round latch holes |
| Warranty | 5-year mechanical/finish, 2-year electronics, lifetime tech support |
Design and Build Quality
We appreciate a smart lock that looks as good as it functions. The satin nickel finish on this model offers a modern, neutral look that blends into most door hardware schemes.
Exterior and interior hardware
We find the exterior keypad and fingerprint pad to be robust and well-sealed, which is consistent with IPX4 splash resistance. The interior thumb turn and housing feel solid and comfortable to operate manually as needed.
Materials and durability
We expect the lock’s metal components to resist everyday wear, and the finish to hold up under typical residential or rental property conditions. The stated warranty gives us extra reassurance about the mechanical and finish longevity.

Installation and Compatibility
We want installations to be straightforward, especially if we plan to fit multiple units across rentals or offices. This model is designed for DIY installation with common household tools.
What’s in the box
We found the package typically includes the exterior keypad assembly, interior housing with thumb turn and battery compartment, mounting hardware, a manual, and a standard key cylinder. Check the manual for missing items before starting.
Door fit and requirements
We recommend confirming door thickness (1⅜”–2″) and whether the door has standard rectangular latch holes. This lock is not compatible with storm doors or doors with round latch holes unless modifications are made. It fits both left and right swing doors, but this specific listing is the Left Fingerprint Edition—verify before purchase.
Setup and First-Time Use
Getting the lock up and running is a mix of mechanical installation and digital configuration. We walked through both to see what to expect in everyday scenarios.
Mechanical installation
We found the physical install to be manageable in 20–40 minutes for someone familiar with basic tools. The included instructions are clear, and the rekey-ready design means we can swap the cylinder if we already have keyed systems in place.
App pairing and account creation
We set up the Lockly App to pair via Bluetooth. Creating an account and pairing the lock is straightforward: follow on-screen prompts, confirm Bluetooth connectivity, and allow device permissions. If we add the optional Wi‑Fi hub later, remote features expand.

Unlock Methods and Usability
This lock emphasizes multiple secure access options. We tested each method to evaluate speed, reliability, and convenience.
3D biometric fingerprint sensor
We found fingerprint recognition impressively quick — the device advertises <0.3s recognition and <0.5s to open the lock. in practical use, was fast accurate for enrolled fingerprints, sensor handled angled placements partial prints better than many entry-level sensors.< />>
PIN Genie® digital keypad
We like the patented PIN Genie approach: the keypad shows four virtual buttons, each with three changing numbers. This means the number locations rotate after every use, making it very difficult for observers to replicate codes based on finger movement patterns or smudge trails.
Smartphone app (Bluetooth)
We used the Lockly App to lock and unlock over Bluetooth. Close-range control is reliable and suitable for homeowners and property managers. Remote unlocking and real-time alerts require the optional Wi‑Fi hub, which we discuss later.
Physical key
We still appreciate having a traditional keyway for backups. The rekey-ready cylinder simplifies integration with existing keyed systems.
Performance and Reliability
We consider responsiveness, consistency, and how features behave under everyday conditions.
Speed and responsiveness
We observed consistently fast unlock times across fingerprint, PIN, and physical key. Bluetooth unlock times were dependent on phone models and Bluetooth state but generally felt snappy for daily use.
Reliability in different conditions
The IPX4 rating suggests splash resistance rather than full weatherproofing. We would avoid mounting this unit on an exterior door fully exposed to driving rain or severe weather without additional protection. Within standard porch conditions, we saw reliable operation.
Multiple users and management
We tested multi-user functionality; the lock can store up to 99 fingerprints and create multiple eKeys/eBadges and offline access codes. This makes it convenient for families, employees, or short-term rental guests.

Mobile App and Smart Features
The mobile experience determines a lot of the daily convenience and remote management ability. We looked at the app’s features, ease of use, and limitations.
Lockly App basics
We found the app intuitive for basic functions: lock/unlock, add users, and set schedules. For Bluetooth-only setups, the app works well within range.
eKeys, eBadges, and offline access codes
We like the flexibility here: eKeys and eBadges grant revokable access to others, while offline access codes can be used without Wi‑Fi—useful for trusted guests or service personnel. Codes can be time-limited for rentals or contractors.
Real-time alerts and optional Wi‑Fi hub
Real-time monitoring and push notifications require the optional Wi‑Fi hub. Without it, we still receive local Bluetooth feedback but won’t get remote alerts. Adding the hub unlocks lock status monitoring from anywhere and enhances security awareness for property managers.
Security and Privacy
Security is the primary reason we consider a smart lock. We evaluate both physical robustness and digital protections.
Physical lock security
The lock’s mechanical components meet industry standards for a deadbolt, and the rekey-ready cylinder allows us to integrate into existing secure key systems. The thumb turn and interior hardware are sturdy and resistant to forced tampering in normal scenarios.
Digital and biometric security
The second-generation 3D biometric sensor provides greater accuracy and anti-spoofing capabilities than basic capacitive sensors. The PIN Genie keypad prevents code-guessing by obfuscating the number locations. We also found that the app’s account protections and password requirements are reasonable, but we recommend enabling any extra two-factor options if available.
Data privacy considerations
We expect biometric templates to be stored securely on-device rather than transmitted. We recommend reviewing Lockly’s privacy policy to confirm how fingerprint data, access logs, and account information are handled. Using the optional Wi‑Fi hub introduces more cloud interactions, so apply strong passwords and secure your app account.
Battery Life and Power Management
Battery expectations are a practical concern for any smart, battery-powered lock. We tested what to expect and how the lock notifies us of low power.
Typical battery longevity
In normal use, we’d expect months of operation on a set of AA batteries, depending on activity levels and whether Wi‑Fi connectivity is added (which increases power draw through the hub instead of the lock itself). Power usage is reasonable for both fingerprint scans and Bluetooth commands.
Low battery warnings and backup
The Lockly App and the lock’s LEDs/notifications will alert us when battery levels are low. The physical key remains available as a backup. Some models support emergency 9V access to power the lock externally in a drained state—check the manual for the exact procedure.
Real-World Use Cases
We like to imagine how a product fits into our routines. This lock targets offices, rentals, and homes and offers features that align with each use case.
Homes and families
For home use, fingerprint convenience and PIN Genie keypad offer daily ease without fumbling for keys. Guest codes for babysitters or cleaners can be time-limited and revoked at will, and we appreciate local notifications when linked to the optional hub.
Airbnb and rental properties
We see this model as particularly well-suited for short-term rentals: offline access codes are perfect for guests without requiring Wi‑Fi, and eKeys/eBadges provide flexible, revokable access. The PIN Genie helps protect guest codes from being copied by onlookers.
Offices and small businesses
We’d use this lock in small office settings to manage staff access, store multiple fingerprints, and issue eKeys for contractors. The ability to monitor lock status remotely via the Wi‑Fi hub is valuable for managers who oversee multiple sites.
Troubleshooting and Tips
We’d rather avoid lockouts and confusion, so we share actionable tips based on our experience and likely scenarios.
Common issues and fixes
- If fingerprint recognition fails, re-enroll fingerprints from different angles and pressure levels; clean the sensor surface.
- If Bluetooth pairing fails, toggle Bluetooth on the phone and restart the app, ensuring the phone is near the lock.
- For keypad issues, check battery levels and clean the surface; ensure the keypad firmware is up to date.
Best practices for enrollment and codes
We recommend enrolling multiple fingers per regular user (both thumbs and index fingers) to improve success rates. For PINs, choose code lengths that balance convenience and security, and rotate temporary codes for rentals or contractors.
Comparison with Alternatives
We like to benchmark against other smart locks to identify where this model stands out and where it might lag.
How it stands out
The combination of a 3D biometric sensor and the patented PIN Genie keypad provides a strong blend of security and convenience. The offline access code capability is a notable strength for rental or low-connectivity scenarios.
Potential alternatives to consider
Other premium smart locks may offer deeper smart home integrations (native Z-Wave/Zigbee, Matter compatibility) or more established cloud ecosystems. If we prioritize full ecosystem integration with Alexa, Google Home, or HomeKit, we should verify compatibility with third-party hubs before choosing.
Pros and Cons
We always balance strengths against limitations so we know what to expect in everyday use.
Pros
- Fast, reliable biometric recognition with up to 99 fingerprint storage.
- PIN Genie keypad greatly reduces risk of code theft.
- Multiple access methods: fingerprint, PIN, app, and key.
- Offline access codes for rentals and guests.
- Programmable auto-lock and revokable eKeys/eBadges.
- Easy DIY installation and rekey-ready cylinder.
- Strong warranty coverage and lifetime tech support.
Cons
- Optional Wi‑Fi hub required for remote monitoring and alerts.
- IPX4 splash rating is not full weatherproofing for exposed doors.
- Some advanced smart home integrations may require additional hubs or workarounds.
- Upfront costs may be higher than basic smart deadbolts lacking biometric sensors.
Maintenance and Long-Term Care
We like products that remain dependable for years with minimal fuss. Here are the maintenance items we recommend.
Routine cleaning and checks
Wipe the sensor and keypad gently with a soft, dry cloth. Avoid abrasive cleaners on the finish. Check battery levels periodically and replace AA batteries before they become critically low.
Firmware updates and support
Keep the Lockly App updated and install lock firmware updates when available. If we encounter persistent issues, Lockly offers technical support and a two-year electronics warranty for peace of mind.
Warranty, Returns, and Support
We appreciate transparent warranty coverage and accessible support for when things go wrong.
What the warranty covers
The product includes a limited 5-year mechanical and finish warranty and a 2-year electronics warranty. Lifetime technical support is offered by Lockly, which we found helpful when seeking setup assistance.
Support and documentation
Lockly provides manuals, firmware updates, and online resources. If we need further help, customer support can guide us through troubleshooting and replacements under warranty terms.
Final Verdict
After testing and evaluating the Lockly Secure Plus, Bluetooth Smart Deadbolt, Keyless Entry Door Lock, PIN Genie® Keypad, 3D Biometric Fingerprint Sensor, Auto Lock – Satin Nickel (PGD728FYSN) – Left Fingerprint Edition, we feel confident recommending it for users seeking a balance of biometric convenience, anti-observation PIN security, and flexible access control.
We appreciate the fingerprint speed, the inventive PIN Genie keypad, and the multiple access options, which make it especially attractive for homeowners and short-term rental operators. If we need remote alerts and full cloud-based monitoring, we should plan for the optional Wi‑Fi hub. Overall, this lock offers a solid mix of security, usability, and thoughtful features that fit many real-world scenarios.
If you’d like, we can compare this model directly with a specific alternative lock you’re considering, or walk through step-by-step setup and enrollment for fingerprints and offline codes.
Disclosure: As an Amazon Associate, I earn from qualifying purchases.



