1. Introduction
Thank you for choosing the Kavey GKM-138W Biometric Fingerprint Gun Safe. This safe is designed to provide secure storage for your firearms and valuables, featuring advanced biometric fingerprint technology for quick access and robust construction for enhanced security. This manual provides essential information for the safe and effective use of your gun safe, including setup, operation, maintenance, and troubleshooting.
2. Safety Information
WARNING: Always store firearms unloaded and locked away from children and unauthorized users. Keep emergency keys in a secure location, separate from the safe and out of reach of children.
- Ensure the safe is securely mounted to prevent unauthorized removal.
- Never store flammable materials or open containers of liquids inside the safe.
- Do not allow children to play with or near the safe.
- Familiarize yourself with all access methods (fingerprint, keypad, emergency key) before storing firearms.


3. Package Contents
Please check the package carefully to ensure all items are present:
- 1 x Kavey GKM-138W Gun Safe
- 2 x Emergency Keys
- 5 x Expansion Screws (for mounting)
- 1 x Type-C Cable (for external power)
- 3 x Gun Racks (adjustable)
- 1 x Instruction Manual (this document)
4. Setup
4.1 Unpacking
Carefully remove the safe from its packaging. Inspect for any damage during transit. Keep all packaging materials until you are satisfied with the product.
4.2 Initial Access
Upon first use, access the safe using one of the provided emergency keys. The keyhole is typically located behind the biometric panel or a cover. Turn the key to unlock and open the door.
4.3 Battery Installation
Locate the battery compartment inside the safe door. Install the required batteries (typically AA, not always included) according to the polarity markings. Close the compartment securely.
4.4 Mounting the Safe
For optimal security, it is highly recommended to bolt the safe to the ground, a wall, or inside a closet. The safe comes with pre-drilled holes and expansion screws for this purpose.
- Choose a secure location, preferably in a discreet area.
- Mark the drilling points through the pre-drilled holes at the back or bottom of the safe.
- Drill pilot holes into the chosen surface using an appropriate drill bit.
- Position the safe and secure it using the provided expansion screws. Ensure it is firmly attached.

5. Operating Instructions
5.1 Biometric Fingerprint Access
The Kavey GKM-138W features revolutionary biometric fingerprint technology for quick access in approximately 0.1 seconds, utilizing a 650 DPI high-resolution scanner. It can store up to 30 fingerprints.
- Registering Fingerprints:
- With the safe door open, locate the fingerprint registration button (refer to the specific location in your safe's internal diagram, usually near the battery compartment).
- Press the registration button. The indicator light will typically change, prompting you to scan your finger.
- Place your finger firmly on the fingerprint scanner. Lift and repeat several times (usually 5-8 times) from different angles until the system confirms successful registration.
- Repeat for all desired fingerprints (up to 30).
- Opening with Fingerprint:
- Place a registered finger firmly on the fingerprint scanner.
- The safe will unlock in less than 0.1 seconds if the fingerprint is recognized.
- Turn the handle to open the door.


5.2 Keypad Access
The safe features 3D glowing digital buttons for keypad entry.
- Setting/Changing Passcode:
- With the safe door open, press the internal reset button (usually a small red button).
- Enter your desired passcode (4-8 digits) on the keypad.
- Press the '#' key to confirm. The system will indicate successful passcode setting.
- Opening with Passcode:
- Enter your registered passcode on the keypad.
- Press the '#' key. The safe will unlock.
- Turn the handle to open the door.
5.3 Emergency Key Access
In case of battery failure or forgotten codes, the emergency keys provide manual access.
- Locate the emergency keyhole (often concealed behind a cover on the biometric panel).
- Insert the emergency key and turn it to unlock the safe.
- Turn the handle to open the door.
5.4 External Power (Type-C)
If the internal batteries are completely drained, you can use a Type-C cable to provide external power for temporary access via fingerprint or keypad.
- Connect a Type-C cable to the external power port on the biometric panel.
- Connect the other end to a power source (e.g., power bank, USB adapter).
- Once powered, you can use your registered fingerprint or passcode to open the safe.
5.5 Alarm System
The safe is equipped with a dual alarm system to deter unauthorized access.
- Incorrect Entry Alarm: If an incorrect password is entered 3 consecutive times, the alarm will activate for 30 seconds.
- Vibration Alarm: To activate the vibration alarm mode, press '*' on the keypad. If the safe is shaken or hit violently, it will trigger an alarm sound of up to 70 decibels.

5.6 Mute Function
To operate the safe silently, you can enable the mute function.
- Activating Mute: Press '1' twice, then press '#' to turn on the mute function. The safe will not make any sound during operation.
- Deactivating Mute: Repeat the same sequence (press '1' twice, then '#') to turn off the mute function.
5.7 Internal Configuration
The safe offers flexible internal storage with adjustable components.
- Adjustable Gun Racks: The safe includes 3 adjustable gun racks. You can freely adjust their position according to the length of your firearms.
- Pistol Pouches & Storage Boxes: The inside of the door features 2 pistol pouches and 2 storage boxes, ideal for storing handguns, cartridges, and other small items.
- LED Light: An internal LED light provides illumination, making it easier to access contents in low-light conditions.
- Door Opening Angle: The door opens to a wide 220° angle for convenient access.


6. Maintenance
- Cleaning: Wipe the exterior of the safe with a soft, damp cloth. Avoid abrasive cleaners or solvents that could damage the finish.
- Battery Replacement: Replace batteries promptly when the low battery indicator appears. Always use new, high-quality batteries.
- Keypad/Fingerprint Sensor: Keep the keypad and fingerprint sensor clean and free of dust or debris for optimal performance.
- Locking Mechanism: Periodically check the locking bolts and door hinges for smooth operation. Do not lubricate unless specifically instructed by customer support.
- Anti-Corrosion: The safe features a unique anti-corrosion design. To maintain this, avoid exposing the safe to excessive moisture or harsh chemicals.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Safe does not open with fingerprint. | Finger not properly placed, unregistered fingerprint, low batteries, dirty sensor. | Ensure finger is clean and covers the sensor completely. Re-register fingerprint if necessary. Replace batteries or use external Type-C power. Clean the sensor. |
| Safe does not open with keypad. | Incorrect passcode, low batteries. | Verify the passcode. Replace batteries or use external Type-C power. |
| Alarm sounds unexpectedly. | Incorrect passcode attempts, vibration alarm triggered. | Ensure correct passcode entry. If vibration alarm is active, avoid moving the safe. Deactivate vibration alarm if not needed. |
| No power/display. | Dead batteries, incorrect battery installation. | Replace batteries with new ones, ensuring correct polarity. Use Type-C external power for temporary access. |
| Emergency key does not work. | Keyhole obstructed, wrong key. | Ensure keyhole is clear. Use only the provided emergency keys. If keys are lost, contact customer service for lifetime key matching service. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | GKM-138W |
| Brand Name | Kavey |
| Material | Low Carbon Alloy Steel |
| Lock Type | Biometric Fingerprint, Digital Keypad, Emergency Key |
| External Dimensions (H x D x W) | 54.33 in x 11.02 in x 11.81 in (138 cm x 28 cm x 30 cm) |
| Internal Dimensions (H x D x W) | 53.54 in x 9.84 in x 11.42 in |
| Capacity | Holds 4-5 guns up to 54 inches long |
| Locking Bolts | 5 solid bolts |
| Fingerprint Capacity | Up to 30 fingerprints |
| Fingerprint Scanner DPI | 650 DPI |
| Fingerprint Unlocking Time | < 0.1 seconds |
| Alarm System | Dual Alarm (Incorrect entry, Vibration), 70 dB |
| Internal Lighting | LED Light |
| Door Opening Angle | 220° |
| Weight | 19.0 kg (approx. 41.89 lbs) |
9. User Tips
No specific user tips were available from reviews or Q&A for this product. However, general tips for gun safe users include:
- Regularly test all access methods (fingerprint, keypad, key) to ensure they are functioning correctly.
- Change your passcode periodically for enhanced security.
- Store a written record of your passcode in a very secure, separate location, not inside the safe.
- Ensure the safe is placed in a climate-controlled environment to prevent moisture buildup, which can affect electronics and firearms.
10. Warranty and Support
Kavey provides dedicated customer support for your gun safe. If you encounter any problems or have questions, please contact our customer service team. We offer a lifetime key matching service in case your emergency keys are lost.
- Customer Service: Our experienced customer service team is available 24/7 and will respond within 24 hours.
- Key Matching Service: In the event of lost emergency keys, we provide a lifetime key matching service to help you regain access.





