1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your OBO HANDS F20 Tuya Access Control Keypad. This advanced access control system offers multiple secure unlocking methods and is designed for both indoor and outdoor use.

Key Features:
- Multiple Unlocking Methods: Fingerprint, RFID Card, Password, NFC, Tuya APP Remote Unlock, Temporary Password.
- Durable Design: IP68 Waterproof rating, suitable for outdoor installation.
- Smart Connectivity: Tuya APP integration for remote management and record viewing.
- User Capacity: Supports up to 100 users (fingerprints, RFID cards, passwords).
- Backlight Keypad: Touch-sensitive keypad with white backlight for visibility in low light.
- Doorbell Function: Integrated doorbell button for wired doorbell connection.
2. Specifications
| Attribute | Value |
|---|---|
| Model Number | F20 Tuya |
| Brand Name | OBO HANDS |
| Origin | Mainland China |
| Certification | NONE |
| User Capacity | 100 users |
| Working Frequency | 13.56MHz |
| Working Voltage | DC 12V |
| Waterproof Function | IP68 Waterproof |
| Card Type | MF 1K Chip |
| Material | High quality ABS |
| Outdoor Installation | Yes |
| Door Bell Function | Support |
| Unlock Method | Tuya, NFC, Fingerprint, RFID Card, Password |
| Record Capacity | Mobile phone APP remotely view the latest 10000 lock opening information. |
| Administrator | A maximum of three administrators can be configured. |
| Backlight | White backlight |
| Language | Chinese, English |
| Volume Setting | 0~4 adjustable volume |
| Door Opening Time | 01 seconds to 30 minutes |
| Working Temperature | -20°C ~ 70°C |
| Working Humidity | 20% ~ 90% |
| Product Size | 140*70*16mm |

3. Package Contents
The standard package includes:
- 1x OBO HANDS F20 Tuya Access Control Keypad
- (Optional, depending on purchase) RFID Keyfobs

4. Setup
4.1 Wiring Diagram
Proper wiring is crucial for the functionality of the access control system. Please refer to the diagram below for connections. Note: The power supply, lock, and exit button are not included and must be purchased separately.

4.2 Tuya APP Installation and Connection
- Download Tuya APP: Scan the QR code provided in the product packaging or search for "TuyaSmart" on your device's app store (e.g., Apple App Store, Google Play Store) to download and install the application.
- Connect Device: Follow the in-app instructions to connect your access control keypad to the Tuya APP via Wi-Fi and Bluetooth.
- Configure Settings: Within the app, you can set the door opening time delay (from 1 second to 30 minutes), adjust volume (0-4 levels), and select the language (Chinese, English).

4.3 Adding Users (Fingerprint, RFID Card, Password)
You can add various access credentials directly through the Tuya APP:
- Fingerprint: Use the app's interface to register new fingerprints. The keypad supports 360-degree fingerprint recognition for fast identification.
- RFID Card: Add RFID cards by following the app's instructions. The keypad supports MF 1K compatible cards.
- Password: Set up individual or public passwords. The system supports up to 100 passwords.

5. Operating Instructions
5.1 Unlocking Methods
The OBO HANDS F20 offers six ways to unlock your door:
- Fingerprint: Place your registered finger on the fingerprint sensor.
- RFID Card: Present a registered RFID card to the card reading area.
- Password: Enter your registered password on the keypad and press 'OK'.
- NFC: Use a mobile phone with NFC capabilities, a bank card, or a smart bracelet configured for NFC unlocking.
- Tuya APP Remote Unlock: Use the unlocking button within the Tuya APP to open the door remotely.
- Temporary Password (Tuya APP): Generate a temporary password via the Tuya APP. This can be a periodic password (valid for a set duration) or a one-time password (expires after one use within 6 hours).



5.2 Doorbell Function
The keypad includes a doorbell button. Connect a wired doorbell to the appropriate terminals as shown in the wiring diagram to enable this function.

6. Maintenance
- Cleaning: Use a soft, damp cloth to clean the keypad surface. Avoid abrasive cleaners or solvents.
- Waterproof Rating: The keypad has an IP68 waterproof rating, meaning it is protected against dust and can withstand immersion in water up to 1.5 meters for 30 minutes. It is designed to work reliably in rain and storms.
- Firmware Updates: Periodically check the Tuya APP for any available firmware updates for your device to ensure optimal performance and security.


7. Troubleshooting
- Keypad unresponsive after first touch: The initial touch on the keypad activates the backlight. You may need to re-enter your code after the backlight illuminates for the system to register the full input.
- Voice prompts: If you wish to disable voice prompts, please consult the Tuya APP settings or the device's advanced configuration menu.
- Unlocking issues: Ensure your fingerprint, RFID card, or password is correctly registered in the system. For NFC, verify your mobile device's NFC is active and correctly configured.
- Tuya APP connectivity: Check your Wi-Fi and Bluetooth connections if experiencing issues with remote unlocking or management.
8. User Tips
- Password Entry: The keypad requires a minimum 6-digit PIN. After entering your PIN, always press 'OK' to confirm.
- Initial Keypad Activation: When the keypad is dark, the first touch often only activates the backlight. Be prepared to re-enter your full code after the keypad illuminates to ensure proper recognition.
- Remote Monitoring: Utilize the Tuya APP to view the latest 10,000 lock opening records, enhancing security monitoring.
9. Frequently Asked Questions (FAQ)
- What type of product is it?
It is an RFID Keypad. - What tasks can this item perform?
The object can be applied for Biometric, Fingerprint, and Waterproof access control. - What is the intended use of this item?
The commodity can be exploited for Biometric, Fingerprint, and Waterproof access control. - What are the available unlock methods?
It supports unlocking via Tuya, NFC, Fingerprint, RFID Card, and Password. - How can I disable the voice?
Please check the settings within the Tuya APP or the device's configuration menu for options to disable or adjust voice prompts.
10. Warranty and Support
For warranty information and technical support, please refer to the seller's official store or contact customer service. Keep your purchase records for any warranty claims.
11. Product Demonstration Video
Watch this video for a visual guide on the product's features and unlocking methods.