1. Product Overview
The RAYKUBE X50 is an advanced smart door lock featuring multiple unlocking methods, including 3D face recognition, fingerprint, password, IC card, mechanical key, and Tuya APP control. It integrates a built-in peephole, camera, HD screen, doorbell, and gateway for enhanced security and convenience. The lock supports a 10-language voice system for user interaction.

Figure 1: RAYKUBE X50 Smart Lock with key features highlighted.
Key Features:
- 3D Facial Recognition: 175° facial recognition, effective day and night, supporting up to 100 faces.
- Multi-Language Voice System: Supports 10 languages including Portuguese, Spanish, English, Arabic, Russian, Turkish, Korean, Vietnamese, Indonesian, and Hebrew.
- Integrated Communication: Built-in peephole, camera, 4.0-inch HD screen, doorbell, and gateway.
- Remote Access: Tuya APP remote unlock with WiFi connectivity (no separate gateway required).
- Two-Way Audio & Video Call: Live video calls and two-way audio intercom with 5 voice-changing options for privacy.
- Advanced Security Alerts: 24-hour abnormal stay capture, trial & error alarm, anti-prying alarm, abnormal information alarm, and low battery alarm.
- Multiple Unlock Methods: Face Recognition, Tuya APP, Password, Smart Card, Fingerprint, and Mechanical Key.
- Temporary Passwords: Online Time-Limited, Offline One-Time, and Offline Time-Limited passwords via Tuya APP.
- Power & Emergency: 4200mAh rechargeable lithium battery with low battery warning. Emergency unlocking via USB power bank connection or mechanical key.
- Durable Construction: Aviation aluminum integrated panel, anodizing process, scratch-resistant.
- Universal Fit: Suitable for door thickness 40-120mm, universal for left and right doors.
- Anti-Theft Mortise: C-level anti-theft 6068 electronic mortise lock available in 3 sizes.
2. Setup and Installation
2.1 Package Contents:
- Front Panel x1
- Back Panel x1
- Mortise Lock x1 (Options: 24x240, 30x240, 40x388 with hook)
- IC Card x 5
- Mechanical Key x2
- Screw Kit x 1
- User Guide x 1
- 4200 mAH Rechargeable Battery x1
- USB Cable x1

Figure 2: Components included in the RAYKUBE X50 Smart Lock package.
2.2 Door Compatibility:
The RAYKUBE X50 is designed for wooden doors, steel doors, brass doors, and stainless steel doors. It fits doors with a thickness greater than 40mm. The handle direction is reversible, allowing for universal installation on both left and right-opening doors.

Figure 3: Dimensions for the 24x240 (6068) mortise lock. Unit: mm.

Figure 4: Dimensions for the 30x240 (6068) mortise lock. Unit: mm.

Figure 5: Dimensions for the 40x388 (6068 with hook) mortise lock. Unit: mm.
2.3 Initial Setup:
Refer to the included User Guide for detailed physical installation steps. After installation, power on the lock and proceed with the following:
2.3.1 Language Setup:
The system voice can be freely switched to 10 languages. To set the language:
- If under factory condition, input
888 # + language code(e.g.,3001for English). - If an admin code has been set, input
888 # + admin code # + language code.
Language Codes:
- Portuguese:
3007 - Spanish:
3009 - English:
3001 - Arabic:
3006 - Russian:
3003 - Turkish:
3014 - Korean:
3005 - Vietnamese:
3007 - Indonesian:
3011 - Hebrew:
3013

Figure 6: Visual guide for setting the voice system language.
2.3.2 Tuya APP Connection:
Download the Tuya APP by scanning the QR code provided in the product packaging or searching in your app store. Follow the in-app instructions to connect your lock to your home WiFi network. No additional gateway is required.

Figure 7: Tuya APP intelligent linkage home, showing Siri voice unlock capability.
3. Operating Instructions
3.1 Unlocking Methods:

Figure 8: Visual representation of various unlocking methods.
- 3D Face Recognition: The lock features a 3D facial module. Stand within 0.35-0.9 meters of the lock for quick recognition (less than 0.3 seconds). It works even with hats, glasses, or in low light conditions.
- Fingerprint Unlock: Place your registered finger on the semiconductor fingerprint sensor. It offers fast identification with a rejection rate of less than 0.01% and a capacity of 100 fingerprints.
- Password Unlock: Enter your registered password on the keypad. The lock supports virtual passwords, allowing you to enter arbitrary numbers before or after your correct password to prevent peeping.
- IC Card Unlock: Tap your registered IC card on the designated reading area. The lock supports up to 100 IC cards with encryption protection and dual verification. Lost cards can be voided.
- Tuya APP Unlock: Use the Tuya APP on your smartphone to remotely unlock the door.
- Mechanical Key Unlock: In case of emergency or power failure, use the provided mechanical keys. The keyhole is hidden for security.
3.2 Tuya APP Features:
Video 1: Demonstration of RAYKUBE X50 smart lock features, including various unlock methods and app functionality.
- Remote Video Call & Two-Way Intercom: When someone rings the doorbell, your Tuya APP will receive a request call. You can see the visitor through the built-in camera and communicate using two-way audio. You can also change your voice (native, Dia, brother, uncle, machine) for privacy.
- Screenshot & Video Recording: During a video call, you can take screenshots or record video directly from the app. These videos are automatically saved to the app's alerts and logs.
- Temporary Passwords: Generate three types of temporary passwords for guests or service providers:
- Online Time-Limited Password
- Offline One-Time Password
- Offline Time-Limited Password
- Smart Linkage Home: The Tuya APP allows for intelligent linkage with other smart home devices. For example, you can use voice commands like "Hey Siri, unlock the door" (requires iPhone, iPad, Apple Watch, etc., with the latest iOS/iPadOS and unlocked screen).

Figure 9: Tuya APP interface showing remote video intercom and unlock options.

Figure 10: Detailed view of Tuya APP features during a video call, including voice options and recording.

Figure 11: Tuya APP interface for setting up different types of temporary passwords.
4. Maintenance
4.1 Battery Management:
The lock is equipped with a 4200mAh rechargeable lithium battery. A single full charge can last approximately 3 months. The lock will issue a low battery alert when the battery level is below 25%, prompting timely charging.

Figure 12: Battery compartment and emergency USB charging port.
4.2 Emergency Power & Unlock:
If the battery runs out during use, you can:
- Connect a power bank to the USB charging port (Type-C) on the outdoor panel for emergency power.
- Use the mechanical key to unlock the door via the hidden keyhole.

Figure 13: Illustration of 4200mAh battery life and emergency power options.

Figure 14: Location of the hidden keyhole for mechanical key unlock.
4.3 Cleaning:
Clean the lock's surface with a soft, dry cloth. Avoid using abrasive cleaners or solvents that could damage the finish or electronic components.
5. Troubleshooting and Alerts
5.1 Security Alerts:
The lock is equipped with several security features that trigger alerts:
- Trial & Error Alert: If continuous password attempts fail, the lock will temporarily lock for 3 minutes.
- Abnormal Visitors Alert: The camera automatically captures visitors and reports any abnormalities to the Tuya Smart APP.
- Low Battery Alert: An alarm will be issued when the battery level is below 25%.
- Anti-Prying Alert: A high-pitched alarm sounds and a notification is sent to your phone if violent lock picking is detected.

Figure 15: Visual representation of various alert types.

Figure 16: Example of an abnormal stay capture alert sent to the Tuya Smart APP.
5.2 Common Issues:
- Lock not responding: Check battery level. If low, use emergency USB power or mechanical key.
- Fingerprint/Face recognition failure: Ensure the sensor/camera is clean. Re-register fingerprint/face if issues persist.
- App connectivity issues: Ensure your home WiFi is stable and the lock is within range. Restart the app or re-pair the lock if necessary.
6. Specifications
| Attribute | Value |
|---|---|
| Brand Name | RAYKUBE |
| Model Number | X50 |
| Color | Deep gray |
| Material | Aluminum alloy |
| Power Supply | Built-in Rechargeable Battery (4200mAh) |
| Connectivity | WiFi |
| Ways To Unlock | Card, FINGERPRINT, Mechanical Keys, Password, App, Face Recognition, WiFi |
| Doorknob Function | Biometric, Key & Keypad |
| Special Features | Built-in Doorbell, Built-in Camera, Built-in Peephole, Built-in Screen, Two-way Audio, Built-in Gateway |
| Fit Door Thickness | >40mm |
| Suitable Door Type | Wooden Door, Steel Door, Brass Door, Stainless Steel Door |
| Handle Direction | Direction Reversible |
| Finish Type | Polished |
| Smart Home Platform | Tuya |
| Administrators Capacity | 10 |
| Ordinary Users Capacity | 240 |
| IC Card Capacity | 250 |
| Passwords Capacity | 100 |
| Working Humidity | -10°C~60°C |
| Origin | Mainland China |

Figure 17: Detailed dimensions of the RAYKUBE X50 Smart Lock.
7. Warranty and Support
For any product inquiries, technical support, or warranty claims, please contact the RAYKUBE Official Store directly. Ensure you retain your purchase records for verification.
8. User Tips
- Door Compatibility Check: Before installation, verify your door thickness is greater than 40mm and the door material is compatible (wooden, steel, brass, stainless steel).
- Battery Life Optimization: While the 4200mAh battery offers long life, consider having a power bank readily available for emergency charging via the USB port, especially if you frequently use video call features.
- Mortise Lock Selection: The lock is available with different mortise lock sizes (24x240, 30x240, 40x388 with hook). Ensure you select the correct size for your door type and security needs.
- Language Setting: If you need to change the voice system language, remember the admin code if one has been set, or use the default
888 #command. - App Features: Explore the Tuya APP's features like voice changing during intercom, screenshot, and video recording for enhanced security and communication.





