1. Introduction
Thank you for choosing the Fitpolo Smart Electronic Outdoor Lock. This advanced 5-in-1 smart lock offers multiple unlocking methods for enhanced security and convenience. This manual provides detailed instructions for installation, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your lock.
The Fitpolo Smart Lock is designed for both home and office use, providing reliable security with modern technology. Please read this manual thoroughly before installation and use.
2. Product Overview
Key Features
- 5 Unlocking Methods: Fingerprint, Password, Mobile App (Tuya), IC Card, and Mechanical Key.
- High-Sensitivity Fingerprint Sensor: Equipped with a 3D semiconductor fingerprint sensor for fast and accurate recognition (under 0.5 seconds identification speed, less than 0.01% rejection rate, less than 0.001% false positive rate).
- Multiple Protection Warnings: Privacy code function, alarm activation after five incorrect password attempts, and real-time app notifications for security breaches.
- Low Battery Alert: Notifies you when batteries are low, ensuring timely replacement. Supports emergency mechanical key access and USB emergency power.
- Durable Construction: Multi-layer baked paint process for a smooth finish, comfortable feel, and lasting shine. Tested for salt spray resistance.
Components

Image: Overview of the Fitpolo Smart Lock's internal and external components.
- External Handle Unit: Keypad, fingerprint sensor, IC card reader, emergency keyhole, USB emergency power port.
- Internal Handle Unit: Battery compartment, interior handle.
- Mortise Lock Body: The mechanism installed within the door.
- Mounting Hardware: Screws, spindle, and other accessories for installation.
- IC Cards: For card-based unlocking.
- Mechanical Keys: For emergency manual unlocking.
3. Setup
3.1 Installation
The Fitpolo Smart Lock is suitable for door thicknesses ranging from 40mm to 65mm. It supports universal left/right door orientation, which can be adjusted during installation.

Image: Steps to change the handle direction and demonstration of locking/unlocking actions.
- Prepare the Door: Ensure your door meets the specified thickness requirements.
- Install Mortise Lock: Insert the mortise lock body into the door edge.
- Adjust Handle Direction (if needed):
- Step 1: Unscrew the retaining screws on the handle unit.
- Step 2: Rotate the handle to the desired direction (left or right).
- Step 3: Tighten the screws to secure the new handle direction.
- Mount External and Internal Units: Connect the external and internal handle units through the door, ensuring all cables are properly routed and connected.
- Secure with Screws: Fasten all screws to secure the lock firmly to the door.
- Install Batteries: Insert 4 AA batteries (not included) into the internal unit's battery compartment.
3.2 App Setup (Tuya Smart App)
The Fitpolo Smart Lock is compatible with the Tuya Smart App for remote control and management.
- Download App: Download the "Tuya Smart" app from your mobile device's app store (Android/iOS).
- Register/Log In: Create an account or log in to your existing Tuya Smart account.
- Add Device: Follow the in-app instructions to add your smart lock. Ensure your phone is connected to a 2.4GHz Wi-Fi network during the pairing process.
- Configure Settings: Once connected, you can manage users, add fingerprints, set passwords, and configure other lock settings through the app.
4. Operating Instructions
4.1 Unlocking Methods

Image: The five primary unlocking methods of the Fitpolo Smart Lock.
- Fingerprint Unlock: Place your registered finger on the fingerprint sensor. The lock will unlock if the fingerprint is recognized.
- Password Unlock: Enter your registered password on the keypad, followed by the '#' key.
- IC Card Unlock: Present a registered IC card to the card reader area on the lock.
- Mechanical Key Unlock: Insert the mechanical key into the emergency keyhole and turn to unlock. This method is for emergency use or when batteries are depleted.
- App Unlock (Remote): Use the Tuya Smart App on your smartphone to remotely unlock the door.
4.2 Remote Control via Tuya App

Image: Remote control of the smart lock using the Tuya app.
Once the lock is paired with the Tuya Smart App, you can:
- Remotely unlock/lock the door from anywhere.
- View unlock records and activity logs.
- Manage user access, including adding or deleting fingerprints, passwords, and IC cards.
- Generate temporary passwords for guests or service providers.
- Receive real-time notifications for alarms or low battery status.
4.3 Temporary Passwords

Image: Generating and sharing a temporary password for remote access.
The Tuya Smart App allows you to generate single-use or time-limited temporary passwords. These can be sent remotely to family members or visitors, providing convenient access without sharing your permanent codes.
4.4 Virtual Passwords
To enhance security, you can enter random digits before or after your actual password. This feature, known as a virtual password, prevents others from guessing your code by observing your finger movements on the keypad.
5. Maintenance
5.1 Battery Replacement
The lock requires 4 AA batteries (not included) and has a battery life of up to 9 months. When the battery level is low, the lock will issue a warning. Replace all four batteries promptly to ensure continuous operation.
- Open the battery compartment on the internal handle unit.
- Remove the old batteries and insert new AA batteries, ensuring correct polarity.
- Close the battery compartment securely.
In case of complete battery depletion, you can use the mechanical key or connect a power bank via the USB emergency power port to temporarily power the lock.
5.2 General Care
- Clean the lock surface with a soft, dry cloth. Avoid abrasive cleaners or solvents.
- Keep the fingerprint sensor and keypad clean and free from dirt or moisture for optimal performance.
- Do not expose the lock to extreme temperatures or direct water spray.
6. Troubleshooting
6.1 Alarm Triggers

Image: Intelligent alarm features of the Fitpolo Smart Lock.
- Incorrect Password Alarm: If an incorrect password is entered five consecutive times, the lock will sound an alarm and send a notification to the app.
- Anti-Theft Alarm: The lock is equipped with an anti-theft alarm system.
- False Attempt Alarm: Alerts for unauthorized access attempts.
6.2 Lock Not Opening
- Check Batteries: If the lock is unresponsive, the batteries may be depleted. Use the mechanical key or emergency USB power.
- Fingerprint/Password Issues: Ensure your finger is clean and properly placed on the sensor, or that the correct password is being entered.
- Mechanical Obstruction: Check for any physical obstructions preventing the latch from retracting.
6.3 App Connectivity Issues
- Wi-Fi Connection: Ensure your lock is within range of your 2.4GHz Wi-Fi network and the network is stable.
- App Permissions: Verify that the Tuya Smart App has all necessary permissions on your smartphone.
- Re-pair Device: If issues persist, try removing the device from the app and re-pairing it.
7. Specifications

Image: Product dimensions and compatibility details.
| Specification | Detail |
|---|---|
| Brand | Fitpolo |
| Model Number | YN-ID-N003 |
| Unlocking Methods | Fingerprint, Password, App, IC Card, Mechanical Key |
| Special Feature | Password Unlock |
| Lock Type | Combination Lock |
| Item Dimensions (L x W x H) | 32.8 x 19.6 x 9.4 cm |
| Material | Stainless Steel |
| Recommended Uses | Home or Office Doors |
| Door Thickness Compatibility | 40 mm - 65 mm |
| Control Method | Application (Tuya Smart) |
| Color | Glossy Black |
| Power Source | 4 x AA Batteries (not included) |
| Emergency Power | USB Port |
| UPC | 780682166972 |
8. Warranty and Support
Fitpolo offers a 3-year warranty for this product. For any installation issues, accidental damage, or other concerns, please contact our customer service.
Customer Service: 24-hour online support is available to assist you with any questions or problems you may encounter.
Please refer to your purchase documentation for specific warranty terms and contact information.