1. Introduction
Thank you for choosing the Thmosz 5.5 Cuft Biometric Fireproof Safe. This manual provides essential information for the safe and efficient operation of your new security product. Please read it thoroughly before installation and use, and retain it for future reference.
Important Safety Information
- Always keep the emergency keys in a secure location outside the safe. Do not store them inside the safe.
- Ensure the safe is placed on a stable, level surface. For enhanced security, consider anchoring the safe to a wall or floor.
- Do not expose the safe to extreme temperatures or direct sunlight for prolonged periods.
- Keep children away from the safe and its operating mechanisms.
- Replace batteries promptly when the low battery indicator appears to avoid being locked out.
2. Package Contents
Carefully unpack your Thmosz safe and verify that all components listed below are present and undamaged. If any items are missing or damaged, please contact customer support immediately.
- 1 x Thmosz 5.5 Cuft Biometric Fireproof Safe Box
- 1 x User Manual (this document)
- 2 x Emergency Backup Keys
- 1 x Emergency Battery Box
- 4 x Expansion Screws (for mounting)
- 4 x Foot Mats

Description: This image displays the Thmosz 5.5 Cuft Biometric Fireproof Safe along with all its accessories. You can see the main safe unit, an emergency battery box, two backup keys, a user manual, four expansion screws for securing the safe, and four foot mats. This visual guide helps confirm that all parts are present upon unboxing.
3. Product Overview
The Thmosz 5.5 Cuft Biometric Fireproof Safe is designed to protect your valuables with multiple security features and convenient access options.

Description: This image illustrates the external dimensions of the safe, indicating a width of 14.6 inches, a depth of 11.8 inches, and a height of 23.6 inches. The image also highlights the safe's weight at 43 pounds, emphasizing its robust construction.
Key Features:
- Large Capacity: 5.5 cubic feet of storage with removable shelves for flexible organization.
- Multiple Unlocking Methods: Biometric fingerprint, digital keypad, and emergency keys.
- Robust Construction: 40mm thick alloy steel door, 28mm solid-core locking latches, and pry-resistant hidden hinges.
- Dual Alarm System: Activates a 70-decibel alarm after six incorrect password attempts or violent vibrations.
- Mounting Capability: Pre-drilled holes for floor or wall mounting.
- Emergency Power: External Type-C emergency battery box for power loss situations.
4. Setup
4.1 Battery Installation
- Locate the battery compartment on the inside of the safe door.
- Insert 4 AA batteries (not included) according to the polarity markings (+/-).
- Close the battery compartment cover securely.
4.2 Initial Opening with Emergency Key
Before setting up any electronic access, you must open the safe using the emergency key.
- Insert one of the emergency keys into the keyhole located below the keypad.
- Turn the key clockwise to unlock.
- Rotate the handle clockwise to open the safe door.
4.3 Mounting the Safe (Optional)
For maximum security, it is recommended to anchor the safe to a wall or floor using the provided expansion screws.

Description: This image provides a step-by-step visual guide for mounting the safe. It shows drilling holes into the wall, aligning the safe's pre-drilled holes, and then securing the safe using expansion screws. This process enhances the safe's resistance to removal.
- Choose a suitable location for mounting (e.g., inside a closet, against a sturdy wall).
- Using the pre-drilled holes on the back or bottom of the safe as a template, mark the drilling points on the wall or floor.
- Drill pilot holes using an appropriate drill bit for your wall/floor material.
- Align the safe with the drilled holes and insert the expansion screws.
- Tighten the screws securely to fix the safe in place.
5. Operating Your Safe

Description: This image visually explains the four distinct methods available for opening the safe. These include using a registered fingerprint combined with turning the handle, entering a digital code followed by turning the handle, using the physical emergency key with the handle, and in case of battery depletion, connecting an emergency battery box to power the keypad for code entry and handle turn.
5.1 Setting/Changing User Code
You can program a personal 3-8 digit code.
- With the safe door open, press the red reset button located on the inside of the door. You will hear a beep.
- On the keypad, enter your desired 3-8 digit code.
- Press the '#' button to confirm. The safe will beep twice, indicating successful programming.
- Test the new code with the door open before closing it.
5.2 Registering Fingerprints
The safe can store up to 29 fingerprints.

Description: This image provides a detailed view of the biometric fingerprint scanner integrated into the safe's keypad. It shows a finger positioned correctly on the scanner, illustrating the process of fingerprint recognition for unlocking the safe.
- With the safe door open, press the green fingerprint registration button (usually near the reset button). You will hear a beep.
- Place your finger on the fingerprint scanner. Lift and repeat several times until the safe beeps twice, indicating successful registration.
- Register multiple fingers for convenience.
- Test the registered fingerprint with the door open before closing it.
5.3 Unlocking the Safe
Using Fingerprint:
- Place a registered finger on the fingerprint scanner.
- If recognized, the safe will beep and the indicator light will turn green.
- Within 5 seconds, rotate the handle clockwise to open the door.
Using Keypad Code:
- Enter your 3-8 digit user code.
- Press the '#' button.
- If correct, the safe will beep and the indicator light will turn green.
- Within 5 seconds, rotate the handle clockwise to open the door.
Using Emergency Key:
- Insert the emergency key into the keyhole.
- Turn the key clockwise to unlock.
- Rotate the handle clockwise to open the door.
Using Emergency Battery Box (if batteries are depleted):
- Connect the emergency battery box to the Type-C port on the keypad.
- The keypad will power on.
- Enter your user code and press '#', or use a registered fingerprint.
- Rotate the handle clockwise to open the door.
5.4 Dual Alarm System

Description: This image visually represents the safe's dual alarm system. It shows the safe emitting sound waves and a red alarm light, indicating that the alarm is active. Text overlays explain that the alarm triggers with violent vibrations or after six incorrect code entries, producing a sound exceeding 70 decibels.
- The safe features a dual alarm system that activates under two conditions:
- Incorrect Entry Alarm: If an incorrect code is entered six consecutive times, a 70-decibel alarm will sound.
- Vibration Alarm: If the safe detects violent vibrations or attempts to pry it open, a 70-decibel alarm will sound.
- To silence the alarm, enter the correct user code or use a registered fingerprint.
6. Internal Organization
The Thmosz safe is designed with flexible storage options to accommodate various items.

Description: This image illustrates the versatility of the safe's interior. It shows the safe configured in two ways: one with a removable steel shelf installed, organizing smaller items like documents, jewelry, and medication; and another without the shelf, allowing for storage of larger items such as firearms or trophies. This highlights the adaptable storage capacity.
- Removable Shelves: The safe includes three removable shelves, allowing you to customize the internal space to fit items of different sizes, such as documents, jewelry, firearms, or medication.
- Key Hooks: Integrated hooks on the inside of the door provide convenient storage for keys.
- Door Pockets: Two pockets on the inside of the door offer additional storage for small items.
7. Maintenance
7.1 Battery Replacement
When the low battery indicator light illuminates or the keypad becomes unresponsive, replace the batteries immediately.
- Open the safe door.
- Locate the battery compartment on the inside of the door.
- Remove the old batteries and dispose of them properly.
- Insert 4 new AA batteries, ensuring correct polarity.
- Close the battery compartment cover.
7.2 Cleaning
- Wipe the exterior of the safe with a soft, damp cloth.
- Do not use abrasive cleaners or solvents, as they may damage the finish.
- Keep the fingerprint scanner clean and free of debris for optimal performance.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Safe does not open with code/fingerprint. | Low batteries, incorrect code/fingerprint, system error. | Replace batteries. Re-enter code carefully. Re-scan fingerprint. Use emergency key or emergency battery box. |
| Keypad is unresponsive. | Dead batteries. | Use the emergency battery box to power the keypad, then replace internal batteries. |
| Alarm sounds unexpectedly. | Violent vibration detected, multiple incorrect entries. | Enter correct code or use fingerprint to disarm. Ensure safe is stable. |
| Fingerprint not recognized. | Finger wet/dirty, scanner dirty, fingerprint not registered correctly. | Ensure finger and scanner are clean and dry. Re-register fingerprint if necessary. Try another registered finger. |
| Safe door does not close properly. | Obstruction, locking bolts extended. | Check for obstructions. Ensure handle is in the open position before closing. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | Thmosz |
| Model | Biometric Fireproof Safe Box 60ZQ |
| Capacity | 5.5 Cubic Feet |
| Product Dimensions (D x W x H) | 11.8" x 14.6" x 23.6" |
| Item Weight | 47.6 pounds |
| Lock Type | Biometric, Electronic Combination Lock, Key |
| Material | Alloy Steel |
| Special Features | Biometric Lock, Fireproof, Removable dividers, Anti-theft Dual Alarm |
| Alarm Level | ≥70dB |
| Mounting Type | Floor and Wall Mount |
| Batteries Required | 4 x AA (not included) |
10. Warranty and Support
Thmosz stands behind the quality of its products.
- Warranty: We offer a 5-year return or exchange warranty from the date of purchase.
- Technical Support: Lifetime technical support is provided for all Thmosz products.
- Parts Replacement: All parts can be replaced free of charge during the warranty period.
If you have any questions, require assistance, or encounter any issues with your Thmosz safe, please do not hesitate to contact our customer service team. We are committed to resolving your concerns within 24 hours.
Contact Information: Please refer to the contact details provided on your purchase receipt or the official Thmosz website.
