KAK Biometric Fingerprint Lock User Manual

1. Introduction and Overview

The KAK Biometric Fingerprint Lock provides a secure and convenient keyless solution for cabinets and drawers. Utilizing advanced biometric technology, it offers quick access with a 0.5-second response time and can store up to 20 unique fingerprints. This manual will guide you through the installation, operation, and maintenance of your new fingerprint lock.

2. Package Contents

Please check the package to ensure all components are present:

• 1 x Fingerprint Reader Unit
• 1 x Lock Body Unit
• Necessary Mounting Accessories (screws, etc.)

3. Specifications

4. Setup and Installation

Follow these steps to install your KAK Biometric Fingerprint Lock:

1. Prepare the Installation Area: Choose a suitable location on your cabinet or drawer. Ensure there is enough space for both the fingerprint reader and the lock body.
2. Install Batteries: Open the battery compartment on the lock body and insert 3 AAA batteries. Ensure correct polarity.
3. Mount the Fingerprint Reader: Drill a hole (approximately 15mm diameter) for the fingerprint reader's shaft. Secure the reader to the exterior of the cabinet/drawer using the provided nut and washer.
4. Mount the Lock Body: Align the lock body with the fingerprint reader's shaft on the interior of the cabinet/drawer. Ensure the lock mechanism can freely engage with the cabinet frame. Secure the lock body using the provided screws.
5. Test Functionality: Before closing the cabinet/drawer, test the lock's mechanism to ensure it moves smoothly.

5. Operating Instructions

5.1 Fingerprint Registration

To register a fingerprint (up to 20 can be stored):

1. Press and hold the fingerprint sensor until the LED light turns blue.
2. Place your finger on the sensor. The light will flash green.
3. Lift and place your finger again several times, rotating slightly each time, until the light turns solid green, indicating successful registration.
4. Repeat for additional fingerprints if desired.

5.2 Unlocking

To unlock the cabinet/drawer:

1. Place a registered finger on the fingerprint sensor.
2. The LED light will flash green, and the lock will disengage within 0.5 seconds.
3. Pull the cabinet/drawer open.

5.3 Emergency Unlocking

In case of low battery or inability to unlock with a fingerprint:

• External Power Supply: Connect a power bank to the Type-C interface on the fingerprint reader for emergency power.
• USB Backup Key: Use the provided USB backup key to manually unlock the mechanism.

6. Maintenance

6.1 Battery Replacement

The lock is powered by 3 AAA batteries. When the battery is low, the red LED light will flash 3 times upon unlocking. Replace the batteries promptly to ensure continuous operation.

6.2 Cleaning

Wipe the fingerprint sensor and lock body with a soft, dry cloth. Avoid using abrasive cleaners or solvents that could damage the surface or electronic components.

7. Troubleshooting

• Lock not responding: Check if the batteries are depleted. Use the external Type-C power supply or the USB backup key.
• Fingerprint not recognized: Ensure your finger is clean and dry. Try re-registering your fingerprint. Ensure your finger covers the entire sensor area.
• Lock mechanism stuck: Check for any obstructions preventing the lock from engaging or disengaging. Ensure the installation is secure and aligned correctly.

8. User Tips

• For optimal fingerprint recognition, ensure your finger is clean and dry when registering and unlocking.
• Register multiple angles of your primary finger and consider registering a secondary finger for convenience.
• Keep the USB backup key in a safe, accessible location outside the locked cabinet/drawer for emergencies.

9. Warranty and Support

The KAK Biometric Fingerprint Lock comes with a 1-year quality guarantee service. For any issues or support, please contact the seller or manufacturer directly.