ARREGUI CI20N
ARREGUI Kamo CI20N Invisible Security Lock User Manual
Model: CI20N
Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of your ARREGUI Kamo CI20N Invisible Security Lock. This advanced electronic lock offers enhanced security for your home or office, controlled conveniently via a smartphone application.

This image provides a detailed close-up of the ARREGUI Kamo CI20N invisible security lock, highlighting its compact and discreet design.
Important Safety Information
- Read all instructions carefully before installation and use.
- Do not attempt to modify or repair the lock yourself. Contact technical support for assistance.
- Ensure batteries are installed correctly to prevent damage or malfunction.
- Keep the lock away from water and extreme temperatures.
Package Contents
Verify that all components are present before beginning installation:
- ARREGUI Kamo CI20N Invisible Security Lock
- Installation Kit (screws, fixings)
- 4 x AAA Batteries
- 1 x Backup Battery
- Instruction Manual (this document)
Setup and Installation
1. Preparing for Installation
The ARREGUI Kamo CI20N lock is designed for simple, wireless installation on both wooden and metal doors.

This image shows the ARREGUI Kamo CI20N invisible security lock alongside its corresponding strike plate, illustrating the main components for installation.
2. Battery Installation
The lock operates on 4 AAA batteries and includes one backup battery.
- Locate the battery compartment on the lock unit.
- Insert the 4 AAA batteries, ensuring correct polarity (+/-).
- Insert the backup battery.
- Close the battery compartment securely.
Important: The lock will not automatically lock if batteries are depleted; it will remain open. A low battery warning will sound.
3. Physical Installation
Position the lock on the interior side of your door, ensuring it is out of sight from the exterior. The lock serves as a secondary security measure.
Use the provided screws and fixings to securely attach the lock unit and the strike plate to the door frame.

This image demonstrates the ARREGUI Kamo CI20N invisible security lock mounted on the inside of a door, with a smartphone nearby showing the lock's control application.
4. Smartphone Application Setup
The ARREGUI Kamo CI20N lock is controlled via the ARREGUI mobile application, available for iOS and Android devices.
- Download the "Arregui" app from the Google Play Store or Apple App Store.
- Open the app and follow the on-screen instructions to create an administrator account.
- Ensure Bluetooth is enabled on your smartphone.
- The app will guide you through pairing your lock. You may need to press a button on the lock to initiate pairing.

This image displays the ARREGUI Kamo CI20N lock alongside a smartphone screen showing the Arregui mobile application, indicating its Bluetooth connectivity and availability on app stores.
Operation
Using the ARREGUI App
The ARREGUI app provides full control over your invisible security lock.
- Lock/Unlock: Tap the designated button within the app to engage or disengage the lock.
- User Management: Add up to 9 additional users. You can assign specific days and time slots for their access.
- Activity History: View a log of all lock and unlock events.
Note: If you have an optional ARREGUI CI20RC remote control, it can also be used to open the lock.
Maintenance
Battery Replacement
The lock will emit an audible warning when the batteries are low. Replace all 4 AAA batteries and the backup battery promptly to ensure continuous operation.
Procedure:
- Open the battery compartment.
- Remove old batteries.
- Insert new batteries, observing correct polarity.
- Close the compartment.
Cleaning
Wipe the lock's exterior with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lock does not respond to app/remote. | Low batteries; Bluetooth not enabled; App not connected; Remote not paired. | Replace batteries. Ensure Bluetooth is on. Re-pair the lock with the app or remote. Ensure only one phone is connected to the lock via the app at a time. |
| App gets stuck during administrator creation. | Software glitch; Bluetooth connection issue. | Restart the app and your phone. Ensure a stable Bluetooth connection. Try again. If the issue persists, contact technical support. |
| Low battery warning sounds. | Batteries are running low. | Replace all AAA batteries and the backup battery immediately. |
| Lock remains open when batteries are depleted. | This is a safety feature. | Replace batteries as soon as the low battery warning is heard to prevent this situation. |
Product Specifications
| Feature | Detail |
|---|---|
| Model Number | CI20N |
| Brand | ARREGUI |
| Material | Alloy Steel |
| Color | Black |
| Connectivity | Bluetooth |
| Control Method | Application Control |
| Power Source | 4 x AAA Batteries (included), 1 x Backup Battery (included) |
| Special Feature | Invisible, Smart Control via Bluetooth |
| Recommended Use | Enhanced security for homes, offices, and commercial premises. |
| Package Dimensions | 21.2 x 16.3 x 6.7 cm |
| Item Weight | 1.33 kilograms |
Warranty Information
This product comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package or contact ARREGUI customer service for detailed warranty terms and conditions.
Technical Support
For any questions or assistance regarding the use or installation of your ARREGUI Kamo CI20N Invisible Security Lock, please contact ARREGUI technical support.
ARREGUI Technical Support: Available throughout Spain. Please visit the official ARREGUI website for contact details specific to your region.
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