Product Overview
The Arregui 181110 is a high-security electronic wall safe designed for discreet installation within a wall. Its unique extensible bottom allows for adjustable depth, adapting to various wall thicknesses. This safe features a robust steel construction, an electronic combination lock, and multiple security mechanisms to protect your valuables.

Image: Front view of the Arregui 181110 electronic wall safe, showing the keypad and the dark grey finish.
Key features include:
- High-security electronic combination lock with user and master codes (3 to 8 digits).
- Extensible bottom with 4 adjustable positions (15 to 22 cm depth).
- Constructed from steel with a 10 mm door thickness, 3 mm anti-drilling plate, and 5 mm body thickness.
- 2 rotating bolts (22 mm diameter) to prevent cutting attempts.
- Temporary blocking system and programmable opening delay.
- Emergency key access and external micro USB power supply for battery failure.
- Internal LED light and removable shelf.
Package Contents
Upon unpacking, please verify that all components are present:
- Arregui 181110 Electronic Wall Safe
- Installation Manual
- 2 Emergency Keys
- 4 x 1.5V Batteries
- External USB Power Supply Unit
Setup and Installation
Proper installation is crucial for the security and functionality of your wall safe. It is recommended to consult a professional for wall integration if you are unsure.
1. Battery Installation
- Locate the battery compartment, typically on the inside of the safe door.
- Insert the 4 x 1.5V batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.

Image: The Arregui 181110 safe's electronic keypad with an external battery box connected via a micro USB cable, demonstrating the external power option.
2. Wall Integration
The safe is designed to be embedded into a wall. Ensure the wall structure can support the safe's weight and provide adequate security.
- Prepare an opening in the wall that matches the safe's dimensions, allowing for the extensible bottom.
- Adjust the extensible bottom to one of the 4 available positions (15 to 22 cm) to match your wall's depth.
- Secure the safe firmly within the wall opening using appropriate fasteners (not included, as they depend on wall material).

Image: Side view of the Arregui 181110 wall safe, highlighting the extensible bottom mechanism that allows for adjustable depth.
Operating Instructions
Your Arregui safe operates using an electronic combination lock. It supports both a user code and a master code.
1. Initial Code Setting
Upon first use, you will need to set your personal user code. Refer to the specific instructions in the included manual for the exact procedure, as it may vary slightly.
2. Opening the Safe
- Enter your 3 to 8 digit user code on the keypad.
- Press the confirmation key (usually '*' or '#').
- The display will show "OPEN" and the safe will unlock. Turn the handle to open the door.

Image: The Arregui 181110 safe with its door open, revealing the internal locking bolts and the orange interior.
3. Closing and Locking the Safe
Simply close the door firmly. The safe will automatically lock, or you may need to turn the handle to engage the bolts, depending on the model's specific mechanism.
4. Using the Emergency Key
In case of forgotten code or battery failure, the emergency key can be used to open the safe. The keyhole is typically hidden behind a cover on the keypad.

Image: Close-up of the Arregui 181110 safe's keypad, showing the emergency key inserted into the hidden keyhole.
5. External Power Supply
If the internal batteries are completely depleted, connect the external USB power supply unit to the micro USB port on the keypad to temporarily power the safe and open it.
6. Internal LED Light
The safe is equipped with an internal LED light for better visibility of contents. This light typically activates automatically when the door is opened.

Image: Interior view of the Arregui 181110 safe, showing the activated LED light strip at the top, illuminating the felt-lined bottom.
Maintenance
Regular maintenance ensures the longevity and reliable operation of your safe.
- Battery Replacement: Replace batteries annually or when the low battery indicator appears. Use high-quality alkaline batteries.
- Cleaning: Wipe the exterior and interior surfaces with a soft, dry cloth. Avoid abrasive cleaners or solvents.
- Locking Mechanism: Periodically check the locking bolts and hinges for smooth operation. Do not lubricate the electronic lock mechanism.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Safe does not open with code. | Incorrect code entered; batteries are low or dead; temporary lockout engaged. | Re-enter code carefully. Replace batteries. Use external power supply. Wait for lockout period to expire. Use emergency key. |
| Keypad is unresponsive. | Batteries are completely dead. | Connect the external USB power supply unit to power the safe. |
| Door does not close or lock properly. | Obstruction in the door frame; bolts are not retracting fully. | Check for any obstructions. Ensure the safe is level and properly installed. Do not force the door. |
| Forgot user code. | Code forgotten. | Use the emergency key to open the safe. Refer to the manual for instructions on resetting the code. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | 181110 |
| Manufacturer | Arregui |
| Product Dimensions (L x W x H) | 20 x 34 x 22.5 cm (7.87 x 13.39 x 8.86 inches) |
| Product Weight | 13.17 kg (29.03 lbs) |
| Internal Volume | 4 to 8 Liters (depending on chosen depth) |
| Extensible Depth Range | 15 to 22 cm (5.9 to 8.66 inches) |
| Door Thickness | 10 mm (0.39 inches) |
| Body Thickness | 5 mm (0.2 inches) |
| Locking Bolts Diameter | 22 mm (0.87 inches) |
| Lock Type | Electronic Combination, Key |
| Power Source | 4 x 1.5V Batteries (Alkaline), External USB Power Supply |
| Color | Black |
| Material | Steel Alloy |
| Special Features | Portable, LED light, Removable shelf. |
Warranty and Support
Warranty information for the Arregui 181110 Electronic Wall Safe is typically provided with the product at the time of purchase or can be obtained directly from the manufacturer. Please retain your proof of purchase for warranty claims.
For technical support, spare parts, or further assistance, please contact Arregui customer service through their official website or the contact information provided in your product packaging. Always refer to the specific manual included with your safe for the most accurate and up-to-date instructions.





