1. Product Overview
The Heayzoki Pisa Smart Keyless Fingerprint Lock offers a secure and convenient way to protect your belongings. This biometric lock eliminates the need for keys or passwords, using your unique fingerprint for access. It is designed for various applications, including gym lockers, luggage, suitcases, and backpacks.
The lock features a durable zinc alloy body, an LED indicator for status updates, and a built-in rechargeable lithium battery providing long standby time and numerous unlocks on a single charge.

Image: Multiple Heayzoki Smart Fingerprint Padlocks in different colors, showcasing the product design.
2. Package Contents
- 1 x Heayzoki Pisa Smart Keyless Fingerprint Lock
- 1 x USB Charging Cable
- 1 x User Manual (this document)
3. Setup and Fingerprint Management
3.1 Initial Charging
Before first use, fully charge the lock. Connect the provided USB cable to the charging port on the lock and a USB power source. The LED indicator will show charging status.

Image: The smart lock being charged via a USB cable, highlighting the charging port.
3.2 Adding Administrator Fingerprints
The first two fingerprints registered will be designated as administrator fingerprints. Administrators have the authority to add or delete other user fingerprints.
- Ensure the lock is charged.
- Press and hold the fingerprint sensor until the blue LED light flashes.
- Place your finger on the sensor. The blue light will flash, then turn green. Lift your finger.
- Repeat placing and lifting your finger on the sensor 5-10 times from different angles until the green light flashes continuously, indicating successful registration.
- Repeat the process for the second administrator fingerprint.

Image: A visual representation of placing a finger on the lock's sensor for fingerprint registration.
3.3 Adding User Fingerprints
After registering administrator fingerprints, you can add up to 8 additional user fingerprints (total of 10 fingerprints including administrators).
- Unlock the lock using an administrator fingerprint.
- While unlocked, press and hold the fingerprint sensor until the blue LED light flashes.
- Place the new user's finger on the sensor. The blue light will flash, then turn green. Lift the finger.
- Repeat placing and lifting the finger on the sensor 5-10 times from different angles until the green light flashes continuously, indicating successful registration.
3.4 Deleting All Fingerprints (Factory Reset)
To delete all registered fingerprints and perform a factory reset:
- Unlock the lock using an administrator fingerprint.
- While unlocked, press and hold the fingerprint sensor for approximately 10 seconds until the red LED light flashes rapidly.
- Place an administrator finger on the sensor to confirm deletion. The red light will turn off, and the lock will reset. All fingerprints will be erased.
4. Operating the Lock
4.1 Unlocking
To unlock the device, simply place any registered finger on the fingerprint sensor. The lock will open instantly if the fingerprint is recognized.

Image: A finger placed on the fingerprint sensor of the smart lock, illustrating the unlocking process.
4.2 Locking
To lock the device, simply close the shackle. The lock will automatically secure itself.
4.3 LED Indicator Status
- Blue Light Flashing: Ready for fingerprint registration.
- Green Light (briefly): Fingerprint recognized, lock unlocked.
- Red Light (briefly): Fingerprint not recognized.
- Red Light Flashing Rapidly: Low battery or during factory reset confirmation.
- Solid Red Light: Charging.
- Light Off: Fully charged or in standby mode.
4.4 Emergency Unlock While Charging
If the battery is critically low and the lock cannot be opened, you can connect it to a power source via the USB cable. The lock can then be unlocked by a registered fingerprint even while charging.

Image: The smart lock secured on a locker, illustrating the emergency unlock feature while charging.
5. Maintenance
- Cleaning: Wipe the lock body and fingerprint sensor with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
- Battery Care: Recharge the lock when the red LED indicator flashes rapidly. Avoid completely draining the battery for extended periods to prolong its lifespan.
- Storage: Store the lock in a cool, dry place when not in use.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lock does not unlock with registered fingerprint. | Finger not placed correctly; Fingerprint not registered; Low battery. | Ensure finger covers the sensor completely; Re-register fingerprint if necessary; Charge the lock. |
| LED indicator does not light up. | Battery completely drained. | Connect to a USB power source and charge for at least 10 minutes. Use emergency unlock if needed. |
| Cannot add new fingerprints. | Not using an administrator fingerprint; Maximum fingerprints reached (10). | Ensure an administrator fingerprint is used to initiate registration; Consider deleting old fingerprints if at maximum capacity. |
| Lock feels loose or mechanism jams. | Physical damage or internal issue. | Discontinue use if compromised. Contact customer support for assistance. |
7. Specifications
- Brand: Heayzoki
- Model Number: Heayzoki3badw164tz6351-12
- Lock Type: Biometric Fingerprint
- Material: Zinc Alloy
- Color: Red
- Battery: Built-in 110mAh Lithium Battery
- Charging Time: Approximately 2 hours
- Standby Time: Up to 6 months
- Unlocks per Charge: Up to 1000 times
- Fingerprint Capacity: 10 sets (2 administrator, 8 user)
- Item Dimensions (L x W x H): 0.39 x 0.39 x 0.39 inches (Note: This dimension seems incorrect based on product images, likely a placeholder. Refer to actual product for precise measurements.)
- Item Weight: 0.09 Kilograms
8. Product Video
Watch this official product video for a visual guide on the Heayzoki Pisa Smart Keyless Fingerprint Lock's features and usage.
Video: An overview of the Heayzoki Smart Keyless Lock, demonstrating its key features and applications.
9. Warranty and Support
Heayzoki products are designed for reliability and performance. If you encounter any issues or have questions regarding your Pisa Smart Keyless Fingerprint Lock, please contact our customer service team.
We are committed to resolving your questions within 24 hours and can provide refund or exchange options if necessary.
For support, please refer to the contact information provided with your purchase or visit the official Heayzoki store on Amazon.





