KENRONE fingerprint padlock with emergency key, IP66 waterproof and rustproof
Quick take
This fingerprint padlock lets you unlock by touch, with an electronic key option for emergency unlocking and a zinc alloy, IP66-rated design meant for wet or dusty outdoor conditions. It can be a convenient upgrade for gym lockers, cabinet doors, and gates, especially if you want to avoid carrying keys or remembering codes. The main caveat to consider is reliability of the backup/emergency unlocking and the charging setup, so you should test it before relying on it day to day.
Pros and cons
Pros
- Fingerprint unlocking is designed to be quick (reported as within about 0.5 seconds) and supports up to 2 administrator fingerprints and 48 user fingerprints.
- Includes emergency unlocking via an electronic key for situations like a finger injury.
- IP66 waterproof and dustproof construction, with rust-resistant exterior hardware for humid or outdoor use.
- Low-power warning indicator: the red light flashes after unlocking when the voltage is low.
Cons
- Reliability feedback is mixed in the available reviews, including reports that backup unlocking and battery/charging behavior did not work as expected over time.
- Initial setup can have a learning curve for fingerprint registration.
- It’s a fingerprint-based lock, so access depends on the accuracy of your enrolled prints and the device power state.
What buyers think
Buyer-review evidence points to a clear theme of convenience. Many comments highlight that unlocking is fast and that not having to carry keys or remember combinations is especially useful for everyday locations like the gym. At the same time, buyer evidence is not fully consistent on dependability. Some feedback describes smooth operation, while other reports raise concerns about backup/emergency key performance and battery/charging contact over time. Because the mixed feedback includes power-related and backup-unlock issues, the overall pattern suggests you should test the emergency unlocking and charging routine before installation on anything you cannot easily access.
How this fingerprint padlock works
This is a biometric padlock that uses fingerprint control for day-to-day access. You can register multiple fingerprints, with room for two administrator fingerprints plus up to 48 user fingerprints.
For emergency access, it also supports electronic key unlocking. The idea is simple: if fingers are injured or fingerprints cannot be used, the lock can still be opened with the emergency key.
Outdoor-friendly design, with IP66 protection
For buyers who need a lock outside (or in dusty, wet, or humid spaces), this model is built around IP66 waterproof and dustproof performance. The exterior is also described as rust-proof, and the body uses zinc alloy construction intended to resist corrosion and everyday wear.
It is a good fit for applications like outdoor sheds, gates, and fence-adjacent storage, where weather exposure is part of the job.
Power, charging, and low-voltage warnings
The lock is rechargeable and includes a USB charging cable. It’s described as taking about 1 to 2 hours to charge, with a standby time stated up to 12 months, and support for up to 10,000 unlocking operations on a full charge.
When the voltage is at or below 3.5V, a red light flashes three times after unlocking to remind you to charge. This is helpful for maintenance planning, but it also reinforces the key point: biometric access depends on having enough power, so it’s smart to keep the charging routine consistent.
Build and tamper-resistance features
Design features focus on durability and basic resistance to tampering. The lock is described as having a fully closed shell anti-pick design. The zinc alloy body is intended to be drop-proof and anti-collision, which matters for padlocks used on frequently bumped or frequently handled equipment like gym lockers, tool cabinets, or gate hardware.
Setup and day-to-day use
Fingerprint padlocks often live or die by enrollment quality. Setup requires fingerprint registration, and some reviews mention a learning curve at first. Once fingerprints are enrolled, the lock is meant to unlock quickly when you press your finger to the pad.
Because fingerprint recognition can vary based on skin condition, angle, and consistency, the best results usually come from enrolling the same fingers in good lighting and using the lock in a predictable way. This is also why testing the emergency key access early matters.
Who this is best for
- Gym users and locker owners who want quick access without juggling keys or combinations.
- Families or small groups needing multiple users, including an administrator setup for shared access.
- Buyers with outdoor or high-moisture storage needs who want IP66 waterproof and dustproof protection plus rust-resistant design cues.
- Anyone who can afford a quick “test before trust” workflow, especially checking emergency unlocking and charging contact before mounting.
Who should avoid it
- If you need guaranteed emergency access every time and cannot tolerate any chance of backup-unlock problems, consider a different access method (for example, a keyed padlock) or a model with stronger, more consistent backup performance in your research.
- If you cannot reliably keep up with charging or prefer a lock that has no power dependency, think carefully, since biometric operation depends on battery health.
- If you want a lock with minimal setup time, expect some effort in fingerprint registration.
Price and availability
This model is positioned as an affordable fingerprint padlock option, with the current price varying by marketplace listings. For the latest pricing and to confirm the exact bundle (padlock, manual, charging cable, and electronic key), check the live listing here: Buy on Amazon.
Bottom line
The KENRONE fingerprint padlock with emergency key is a convenience-focused biometric padlock with IP66 waterproof and rust-resistant construction, making it a practical match for lockers and certain outdoor storage. If you value fast unlocking and multi-user fingerprint enrollment, it checks many boxes. Just be cautious about reliability based on mixed buyer feedback, particularly around backup unlocking and charging behavior, and test the emergency key and power routine before relying on it for critical access.
FAQs
How many fingerprints can you store?
You can store up to 2 administrator fingerprints and 48 user fingerprints.
Does this padlock work outdoors?
It’s rated IP66 for waterproofing and dust resistance, and it uses a rust-resistant zinc alloy design intended for outdoor and humid environments.
What is the emergency unlocking option?
It includes an electronic key for emergency unlocking, designed to help when fingerprint access is not possible (for example, a finger injury).
How does the low-battery alert work?
When voltage drops to about 3.5V or lower, the red light flashes three times after unlocking to remind you to charge.
How long does it take to charge, and how long does it last?
The lock is described as taking 1 to 2 hours to charge, with standby time stated up to 12 months. Unlocking capacity is stated as up to 10,000 operations on a full charge.
Specifications
| Product Title | Fingerprint Padlock with Emergency Key, IP66 Waterproof and Rustproof, Outdoor Indoor Universal Smart Lock for Warehouses, Gym, Schools, Homes, Office Cabinets |
|---|---|
| Category | Electronics > Security & Surveillance > Biometrics |
| Brand | KENRONE |
| Manufacturer | Kerong Smart |
| Model Name | fingerprint padlock |
| Model Number | KR-PL4943-gun-E65 |
| Color | Matte Black |
| Material | Zinc |
| Item Weight | 0.27 Pounds |
| Brand Name | KENRONE |
| Recommended Uses For Product | Cabinets, lockers, nightstands, drawers, trunks, gates, etc. |
| Included Components | 1* Manual, 1* Padlock, 1* Charging Cable, 1* Electronic Key |
| Unit Count | 1.0 Count |
| Manufacturer Part Number | KR-PL49 |
| Item Type Name | fingerprint padlock |
| Additional Features | Fingerprint, Rechargeable, Suitcases available, gym available, lockers available |
| Lock Type | Biometric |
| Controller Type | Fingerprints, Electronic key |
| Control Method | Touch |
| Smart Home Compatibility | Smart Home Compatible |
| Style Name | dual unlocking methods of fingerprint and electronic key emergency unlocking. |
| Shape | Rectangular |
| Material Type | Zinc |
| Finish Types | Electroplated |
| Item Dimensions | 3.11 x 1.96 x 0.57 inches |
| Special Feature | Fingerprint, Rechargeable, Suitcases available, gym available, lockers available |
| Item dimensions L x W x H | 3.11 x 1.96 x 0.57 inches |
Available variants
Color
- Matte Black
- Matte Black
- Silver
- Silver-plus
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