Xiaomi Smart Door Lock M20 User Manual

1. Product Overview

The Xiaomi Smart Door Lock M20 is an advanced security solution featuring a cat-eye visual screen, multiple unlocking methods, and smart home integration. Designed for enhanced security and convenience, it incorporates a 180° ultra-wide angle camera, AI 3D fingerprint recognition, and a robust anti-pinch push-pull design.

2. Specifications

3. Package Contents

Please verify that all the following components are included in your package:

• Front panel x1
• Rear panel x1
• Lock body x1
• Gusset x1
• Lock cylinder x1
• Emergency key x2
• Split screw x3
• Positioning column x2
• Lock cylinder screw x1
• Positioning sleeve x3
• Battery x1 (for cat's eye)
• Battery x8 (AA)
• Crash pad x2
• Lock screw x10
• Installation hole drawing x1
• Instruction Manual x1

4. Setup

4.1 Important Pre-installation Note

This is a China version product. Before connecting, please ensure you change the region of your Mi Home APP to "Chinese mainland" for proper functionality.

4.2 Installation

Professional installation is highly recommended for door locks to ensure correct alignment and secure operation. Refer to the included 'Installation hole drawing' for precise measurements and drilling instructions. The handle direction is reversible and can be adjusted during installation to match your door's opening direction.

4.3 Initial Configuration & Mi Home App Connection

1. Install the batteries for both the door lock and the cat's eye module as described in the 'Maintenance' section.
2. Download and install the Mi Home App on your smartphone.
3. Open the Mi Home App and ensure your region is set to "Chinese mainland".
4. Follow the in-app instructions to add the Xiaomi Smart Door Lock M20. This typically involves scanning a QR code on the lock or manually selecting the device.
5. Configure initial settings such as administrator fingerprint, master password, and network connection.

5. Operating Instructions

5.1 Unlocking Methods

The Xiaomi Smart Door Lock M20 offers multiple convenient unlocking methods:

• Fingerprint: Utilize the AI 3D fingerprint recognition technology for quick and secure access.
• Password: Enter your numerical password on the keypad.
• Temporary Password: Generate one-time or time-limited passwords via the Mi Home App for guests or service personnel.
• Bluetooth (Mobile App): Unlock the door using your smartphone via the Mi Home App when in Bluetooth range.
• NFC Card: Tap a registered NFC card (if included or purchased separately) to unlock.
• Emergency Key: Use the physical emergency key as a backup unlocking method.
• Mitu Children's Watch / Xiaomi Bracelet: Compatible Xiaomi wearable devices can be used for unlocking.

5.2 Visual Intercom and Monitoring

The integrated 3.97-inch IPS display screen and 180° ultra-wide angle camera provide real-time visual monitoring.

• Live View: The screen automatically lights up when a visitor presses the doorbell, allowing you to view the outside environment.
• Two-way Audio: Communicate with visitors using the built-in microphone and speaker. A voice change function is available for privacy.
• Remote Monitoring: Through the Mi Home App, you can view live video remotely and receive real-time notifications.
• Infrared Night Vision: The high-sensitivity image sensor and F2.0 ultra-large aperture lens provide clear full-color pictures even in weak light, ensuring clear night vision.

5.3 Security Features and Alarms

The lock incorporates over ten security technologies to protect your home:

• AI Human Shape Monitoring: Real-time monitoring of anomalies in front of the door with timely warnings.
• C-level Lock Cylinder: Provides high-level security against technical unlocking.
• Mijia Security Chip: Enhances the overall security of the lock system.
• Full-state Detection: Monitors the lock's status continuously.
• Anti-electromagnetic Interference: Protects against electronic attacks.
• Main Control Chip in Inner Door: Prevents tampering from the outside.
• Anti-Pinch Design: The push-pull handle is designed to prevent accidental clamping during operation.

The lock provides real-time alerts for various abnormal statuses:

• Someone is staying at the door
• Door open/door ajar
• Door opened indoors after leaving home
• Door lock damaged
• Multiple attempts to unlock
• Duress fingerprint unlock (triggers silent alarm)

6. Maintenance

6.1 Battery Replacement

The door lock utilizes a dual power supply system:

• Door Lock: Powered by 8 x AA (No. 5) 1.5V dry batteries, offering approximately 12 months of endurance. Replace all 8 batteries simultaneously when the low battery indicator appears.
• Cat's Eye: Powered by a rechargeable 5000mAh 7.4V dual-core lithium battery, offering approximately 4-6 months of endurance. Recharge using a Type-C cable (5V-0.5A) when the low battery warning is displayed.

For emergency power, a Type-C port (5V-0.5A) is available on the exterior panel.

6.2 Cleaning

Wipe the lock's exterior surfaces with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or harsh chemicals, as these can damage the finish and electronic components. Keep the fingerprint sensor and camera lens clean for optimal performance.

7. Troubleshooting

• Q: Will the lock work in any country?
  A: This is a China version product. For proper functionality, you must set the region of your Mi Home App to "Chinese mainland" before connecting.
• Q: Does the M20 Pro come with an NFC tag?
  A: The Xiaomi Smart Door Lock M20 supports NFC unlocking. Specific package contents may vary, but the functionality is present. If an NFC card is not included, it may be purchased separately.
• Q: Can I open the lock with my face?
  A: No, face recognition unlocking is not a listed feature for the Xiaomi Smart Door Lock M20. It supports fingerprint, password, temporary password, Bluetooth, NFC, emergency key, and compatible Xiaomi wearables.
• Q: The fingerprint sensor is not recognizing my finger.
  A: Ensure your finger and the sensor are clean and dry. Try re-registering your fingerprint in the Mi Home App. If the issue persists, try another unlocking method.
• Q: The lock is not connecting to the Mi Home App.
  A: Verify that your Mi Home App region is set to "Chinese mainland". Check your Wi-Fi connection and ensure the lock is within range of your router. Restart both the lock (by removing and reinserting batteries) and your smartphone.
• Q: The visual screen is dark or unresponsive.
  A: Check the cat's eye battery level and recharge if necessary. Ensure the screen is clean. If the issue persists, contact support.

8. User Tips

• Always ensure your Mi Home App region is set to "Chinese mainland" for seamless integration and functionality, especially during initial setup and firmware updates.
• Regularly check the battery status of both the main lock and the cat's eye module through the Mi Home App to avoid unexpected power loss.
• Keep at least one emergency key in a secure location outside your home for backup access.
• Familiarize yourself with the duress fingerprint feature for emergency situations.
• For optimal security, use a combination of unlocking methods and update your passwords periodically.

9. Warranty and Support

For warranty information, technical support, or service inquiries, please refer to the official Xiaomi website or contact your authorized retailer. Keep your purchase receipt as proof of purchase for any warranty claims.