Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your Riddost 4.0 Cubic Feet Home Safe. Designed for secure storage of valuables, important documents, and firearms, this safe features fireproof and waterproof capabilities, a double safety key lock, an LCD screen, and an intelligent alarm system. Please read this manual thoroughly before using your safe to ensure proper function and security.
What's in the Box

Image: Contents of the Riddost Home Safe package.
- 1 x Safe box
- 1 x Fireproof bag
- 4 x Pad
- 1 x Emergency battery box
- 4 x Screw anchors
- 2 x Master keys
- 2 x Emergency keys
- 2 x Lock box keys
- 1 x User manual
Setup
Battery Installation
The safe requires 4 AA batteries for the electronic keypad to function. Install these batteries into the designated battery compartment located inside the safe door. If the internal batteries are flat, use the external battery box to temporarily power the keypad.
Video: Demonstrates how to install batteries and use the external battery box for the Riddost Home Safe.
Mounting the Safe
For enhanced security, the Riddost Home Safe can be securely mounted to a wall or floor. The safe features pre-drilled holes on the back and bottom for this purpose. Use the provided screw anchors to fix the safe in place. Ensure the mounting surface is strong enough to support the safe's weight and resist tampering.

Image: Steps for securely mounting the safe to a wall.
Operating Instructions
Unlocking the Safe
Your Riddost Home Safe offers two primary methods for unlocking:
- Master Key + Password + Turning Handle: Insert the master key into the keyhole, enter your personal password on the LCD keypad, and then turn the handle to open the safe.
- Master Key + Emergency Key + Turning Handle: In case of forgotten password or dead batteries, insert the master key and the emergency key into their respective keyholes, then turn both keys and the handle simultaneously to open the safe.

Image: Visual guide to the two unlocking methods.
Video: Demonstrates the double safety key lock and LCD display operation.
Setting Passwords
To set or change your personal password:
- Open the safe.
- Press the reset button (usually a small red button on the inside of the door).
- Enter a new 3-8 digit password.
- Press '#' to save the password. The LCD screen will display "INTO" to confirm.
To set an administrator password (if applicable):
- Open the safe.
- Press the "0" button twice. The screen will display "00".
- Press the reset button.
- Enter a new 3-8 digit administrator password.
- Press '#' to save the password. The LCD screen will display "INTO" to confirm.

Image: Detailed steps for setting personal and administrator passwords.
Intelligent Alarm System
The safe is equipped with an intelligent alarm system that triggers under specific conditions:
- If an incorrect password is entered 3 consecutive times.
- If the safe experiences external interference, such as being carried or subjected to heavy knocking.
When triggered, the safe will emit a piercing 70dB alarm sound for 60 seconds to deter unauthorized access.

Image: Visual representation of the safe's alarm system.
Features
Interior Design and Storage
The Riddost Home Safe offers a spacious 4.0 cubic feet interior, designed for versatile storage. It includes:
- A separate lockable inner cabinet for extra security for smaller, highly valuable items.
- A movable and adjustable shelf, allowing you to customize the internal space to fit various items such as jewelry, cameras, medicines, cash, important documents, and handguns.
- Built-in lighting to illuminate the interior when the door is opened.
- Thoughtful hooks on the inside of the door for organizing keys or small accessories.

Image: Interior layout of the Riddost Home Safe.

Image: Flexibility of the removable interior divider.
Robust Security Construction
The Riddost Home Safe is constructed with strong materials to provide maximum protection:
- 70mm thick alloy anti-pry steel doors.
- 6 live locking bolts and 4x25 mm anti-pry steel bars for enhanced resistance against forced entry.
- Solid wall design, allowing for secure mounting to prevent removal.
- Fireproof and waterproof design to protect contents from environmental damage.
Maintenance
To ensure the longevity and optimal performance of your Riddost Home Safe, follow these maintenance guidelines:
- Regularly check the battery level on the LCD screen and replace batteries when indicated ("L-BAT").
- Keep the master and emergency keys in a secure location separate from the safe.
- Clean the exterior of the safe with a soft, damp cloth. Avoid abrasive cleaners.
- Periodically check the locking bolts and hinges for any signs of wear or damage.
- Ensure the safe door closes completely and securely after each use.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Safe does not open with password. | Incorrect password entered, low battery. | Re-enter correct password. Use the external battery box to power the keypad or use the emergency key. |
| LCD screen displays "L-BAT". | Low internal battery power. | Replace the 4 AA batteries in the internal battery compartment. |
| Alarm sounds unexpectedly. | Incorrect password entered multiple times, physical tampering. | Enter the correct password to disarm. Avoid moving or striking the safe while it is locked. |
| Keys do not turn smoothly. | Dust or debris in the keyhole, minor misalignment. | Gently clean the keyhole. Ensure the key is fully inserted and aligned before turning. Do not force the key. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Riddost |
| Product Dimensions | 30"D x 20"W x 17"H |
| Lock Type | Combination, Electronic, Key |
| Color | Black |
| Capacity | 4.0 Cubic Feet (Note: Product specifications also list 3.7 Cubic Feet, please refer to product packaging for exact volume) |
| Material | Alloy Steel |
| Special Features | Alarm System, Fireproof |
| Mounting Type | Freestanding, Tabletop (can be bolted to wall/floor) |
| Item Weight | 34.47 Kilograms (approx. 75.8 pounds) |
| Water Resistance Level | Waterproof |
| Batteries Required | Yes (4 AA batteries, not included) |
Warranty and Support
Riddost is committed to providing high-quality security products. If you encounter any issues or have questions regarding your safe, please do not hesitate to contact our customer service team. We offer a 24-hour customer service team and a professional after-sales team dedicated to resolving your concerns.
For support, please refer to the contact information provided on your product packaging or the official Riddost website.

