Bukumo safe box fireproof waterproof
Bukumo 3.3 Cub Home Safe Instruction Manual
Model: safe box fireproof waterproof
Introduction
This manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of your Bukumo 3.3 Cub Large Home Safe. Please read this manual thoroughly before using the safe to ensure proper function and security.
The Bukumo 3.3 Cub Home Safe is designed to protect your valuables from theft, fire, and water damage. It features a robust alloy steel construction, a programmable digital keypad, and emergency key access.
Safety Precautions
- Always keep emergency keys in a secure location away from the safe.
- Do not store emergency keys inside the safe.
- Ensure the safe is securely mounted to a wall or floor to prevent unauthorized removal.
- Avoid exposing the safe to extreme temperatures or direct water immersion, despite its fireproof and waterproof features, to prolong its lifespan.
- Keep the keypad clean and dry to ensure proper operation.
Package Contents
Verify that all components are present upon unboxing:
- 1 x Bukumo 3.3 Cub Home Safe
- 2 x Emergency Keys
- 4 x Expansion Screws
- 1 x User Manual (this document)

Figure 1: Bukumo 3.3 Cub Home Safe with its door open, revealing the spacious interior and the digital keypad on the outside of the door. The safe is black with a textured finish.
Setup
1. Battery Installation
- Locate the battery compartment on the inside of the safe door.
- Insert 4 AA batteries (not included) into the compartment, ensuring correct polarity.
- Close the battery compartment cover.
Video 1: Demonstrates the installation of 4 AA batteries into the safe's internal battery compartment, located on the inside of the door. The video also shows the safe's three steel lock bolts and removable shelf.
2. Setting Your Personal Passcode
The safe comes with a default code. It is highly recommended to change this immediately.
- With the safe door open, press the red reset button located on the inside of the door, near the battery compartment. You will hear a beep.
- On the digital keypad, enter a new 3-8 digit code.
- Press the "#" key to confirm. You will hear two beeps, indicating the new code is set.
- Test the new code with the door open to ensure it works correctly before closing the safe.
Video 2: A detailed review of the safe, including instructions on how to set the digital keypad code. The video highlights the safe's features and provides a comprehensive overview of its functionality.
3. Mounting the Safe
For enhanced security, the safe can be fixed to a wall or floor.
- Choose a suitable location for mounting.
- Open the safe door and locate the pre-drilled holes on the back and bottom panels.
- Mark the drilling points on the wall or floor through these holes.
- Drill pilot holes at the marked points.
- Align the safe with the drilled holes and secure it using the provided expansion screws.

Figure 2: Illustrates the three steps for wall or floor-mounted installation of the safe. It shows marking the wall, drilling holes, and securing the safe with screws.
Operating Instructions
1. Opening the Safe with Passcode
- Enter your 3-8 digit personal passcode on the digital keypad.
- Press the "#" key.
- Turn the knob clockwise within 5 seconds to open the door.
2. Opening the Safe with Emergency Key
This method is for emergency access if you forget your passcode or if the batteries are depleted.
- Locate the hidden keyhole cover on the digital keypad panel.
- Gently remove the cover.
- Insert one of the emergency keys into the keyhole and turn it counter-clockwise.
- Simultaneously turn the knob clockwise to open the door.

Figure 3: Details the two methods to open the safe: using a personal password with the knob, or using the emergency key with the knob. The image highlights the hidden keyhole location.
3. Closing and Locking the Safe
- Close the safe door firmly.
- Turn the knob counter-clockwise until the bolts are fully extended and the door is secured.
Maintenance
- Battery Replacement: Replace batteries annually or when the low battery reminder activates. Use only new AA alkaline batteries.
- Cleaning: Wipe the exterior with a soft, damp cloth. Avoid abrasive cleaners or solvents.
- Internal Organization: The safe includes a removable shelf for flexible storage. Adjust or remove the shelf as needed to accommodate items of various sizes.

Figure 4: Illustrates the versatility of the safe's interior with a removable shelf. It shows how the space can be configured to store different types of valuables, such as cash, jewelry, documents, firearms, and passports.
Troubleshooting
1. Alarm System
The safe is equipped with an anti-theft alarm system.
- Incorrect Passcode: Entering the wrong password 3 times in a row will activate the alarm and lock the safe for 20 seconds. Entering it 6 times will lock it for 5 minutes.
- Physical Tampering: The alarm will also activate if someone attempts to force open the safe (e.g., with a crowbar).
- Low Battery Reminder: The safe will emit a low battery reminder when power is low. Replace batteries promptly.

Figure 5: Depicts the safe's anti-theft alarm system, which includes an alarm beep and a low battery reminder. It visually represents the alarm activation upon incorrect entries.
2. Lost Key or Forgotten Passcode
If you lose your emergency keys or forget your passcode, you can contact Bukumo customer support. Provide the unique serial number located near the keyhole to request a replacement key.
Specifications
| Feature | Detail |
|---|---|
| Brand | Bukumo |
| Model Number | safe box fireproof waterproof |
| Product Dimensions | 12.2"D x 13.8"W x 19.7"H |
| Capacity | 2.4 Cubic Feet (3.3 Cub size variant) |
| Material | Alloy Steel |
| Lock Type | Electronic Combination Lock |
| Special Features | Alarm System, Combination Lock, Anti-Theft, Fire Resistant, Removable Shelf |
| Item Weight | 33 pounds (approx. 15 kg) |
| Water Resistance Level | Water Resistant |
Warranty and Support
Bukumo provides a Lifetime Warranty for this product. You will receive 24-hour online service and 120-day return or exchange service. For any quality issues during the warranty period, contact Bukumo for repair services or spare parts supply.
Your satisfaction is our aim. For support, please refer to the contact information provided with your purchase or visit the official Bukumo website.

Figure 6: Bukumo Care graphic highlighting key customer service aspects: 5 Years Warranty (note: product description states Lifetime Warranty, this image might be generic), Quick Response, Faster Delivery, and Parts Replacement.
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