1. Introduction
Thank you for choosing the RXUJYC 3.4 Cub Large Home Safe. This manual provides essential information for the proper setup, operation, and maintenance of your new safe. Please read it thoroughly before use to ensure optimal security and functionality.

Image: The RXUJYC 3.4 Cub Large Home Safe, designed to protect your family's valuables.
2. Product Features
- Large Capacity: Generous interior space (14.57'' x 12.2'' x 19.68'') suitable for laptops, pistols, jewelry, documents, and cash.
- Robust Construction: Made of solid alloy steel with a protective coating. Features three live steel lock bolts and thick pry-resistant concealed hinges for enhanced security.
- Dual Unlocking Methods: Equipped with a digital keypad for daily access and spare keys for emergency situations or forgotten passwords.
- Anti-theft Alarm System: Activates an audible alarm after 3 consecutive incorrect password entries, deterring unauthorized access.
- Anchoring Design: Pre-drilled holes allow for secure mounting to a wall or floor, preventing removal of the safe.
- Removable Shelf: Includes an adjustable shelf to organize contents efficiently.

Image: Overview of the safe's large capacity and internal dimensions.

Image: Visual representation of the safe's fireproof, waterproof, and anti-theft features.

Image: The safe's interior with a removable shelf for flexible storage.
3. Package Contents
Upon opening your package, please verify that all the following components are included:
- 1 x Safe Box
- 2 x Emergency Keys
- 1 x External Battery Case
- 4 x Expansion Screws (for mounting)
- 1 x User Manual
- 1 x Felt Mat
Important Note: Do not store the emergency keys inside the safe.

Image: All items included in the package.
4. Initial Setup
4.1 First Time Opening
Your safe comes with an initial password of "159". To open for the first time:
- Enter the initial password "159" on the digital keypad.
- Turn the knob clockwise to unlock and open the safe door.
4.2 Battery Installation
The digital keypad requires batteries (not included). Locate the battery compartment, usually on the inside of the safe door or behind the keypad. Insert the required batteries (typically AA or AAA, refer to the compartment for exact type and quantity) ensuring correct polarity.
4.3 Setting Your Personal Passcode
After opening the safe, press the internal reset button (usually a small red or green button on the inside of the door or near the battery compartment). The indicator light will flash, prompting you to enter your new 3-8 digit passcode. Confirm by pressing '#' or '*' (refer to specific model instructions if different). Test your new passcode with the door open before closing it.
5. Operating Instructions
5.1 Opening the Safe
There are three primary ways to open your safe:
- Using Digital Passcode: Enter your programmed passcode on the keypad, then turn the knob clockwise.
- Using Emergency Keys: If you forget your passcode or the batteries are dead, insert one of the emergency keys into the keyhole, turn it, and simultaneously turn the knob to open.
- Using External Battery Box: If batteries are dead and you don't have the emergency key readily available, connect the external battery box to the port on the keypad, then enter your passcode and turn the knob.

Image: Three methods for opening the safe.
5.2 Closing and Locking the Safe
To lock the safe, simply close the door firmly. The locking bolts will automatically engage. Ensure the door is fully closed and the bolts are extended to secure your valuables.
6. Alarm System
The safe is equipped with an anti-theft alarm system. If an incorrect password is entered 3 times consecutively, the alarm will activate, and the safe will lock for 20 seconds. This feature helps deter unauthorized access and alerts you to potential tampering.

Image: The smart alarm system in action.
7. Installation (Wall or Floor Mounting)
For enhanced security, it is highly recommended to anchor your safe to a wall or floor using the provided expansion screws.
- Choose a suitable location for installation, ensuring it is a solid surface.
- Mark the drilling points through the pre-drilled holes at the back or bottom of the safe.
- Drill holes at the marked points.
- Align the safe with the drilled holes and insert the expansion screws.
- Tighten the screws securely to fix the safe in place.

Image: Wall or floor-mounted installation steps.

Image: Examples of safe placement in various environments.
8. Maintenance
- Cleaning: Wipe the safe's exterior with a soft, damp cloth. Avoid abrasive cleaners or solvents.
- Battery Replacement: Replace batteries promptly when the low battery indicator appears to ensure continuous operation of the digital keypad.
- Key Storage: Always keep emergency keys in a secure location outside the safe.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Safe does not open with passcode. | Incorrect passcode entered; Dead batteries; Keypad malfunction. | Re-enter correct passcode; Replace batteries or use external battery box; Use emergency key. |
| Alarm sounds frequently. | Incorrect passcode attempts; Safe moved or tampered with. | Ensure correct passcode entry; Check for unauthorized access. |
| Keys are lost. | Keys misplaced. | Contact customer support with the unique keyhole number for replacement. |
10. Specifications
- Brand: RXUJYC
- Product Dimensions: 12.2"D x 14.57"W x 19.68"H
- Lock Type: Electronic Combination Lock, Key
- Capacity: 3.4 Cubic Feet
- Material: Alloy Steel
- Special Features: Alarm System, Sensor Light, Combination Lock, Removable Shelf, Fireproof
- Mounting Type: Floor Mount
- Control Type: Key Control
- Item Weight: 30 Pounds
- Water Resistance Level: Waterproof
11. Warranty and Support
RXUJYC provides a Lifetime Warranty for this product. We are committed to delivering excellence in every aspect of our business, from product quality to replacement service. We offer 24-hour online service and a 90-day return or exchange service. Your satisfaction is our aim.
For any inquiries, support, or to request a replacement key, please contact us via Amazon or through the contact information provided in your purchase documentation. Please have the unique number on your keyhole ready if requesting a replacement key.