1. Introduction
The Aqara Smart Door Lock H100 is an advanced smart home device designed to enhance the security and convenience of your home. Featuring multiple unlocking methods including fingerprint, password, NFC, Bluetooth, and emergency keys, it integrates seamlessly with Apple HomeKit and Aqara Home APP. This manual provides detailed instructions for installation, operation, and maintenance to ensure optimal performance and longevity of your smart door lock.

2. Important Safety Information
- This smart door lock is designed to work with the Aqara Home APP and Apple HomeKit. It is NOT compatible with the Mi Home APP.
- When connecting, ensure the region of your Aqara Home APP is set to "China".
- Installation of this product involves irreversible changes to the door, such as cutting and drilling. Once altered, the door cannot be restored to its original state. Please ensure compatibility before proceeding with installation.
- HomeKit integration supports only a subset of the lock's features. Refer to the Aqara Home APP for full functionality.
3. Specifications
| Product Model | ZNMS21LM |
| Brand Name | Aqara |
| Working Temperature | -10℃ ~ 55℃ |
| Operating Humidity | 0 ~ 93% RH, non-condensing |
| Net Weight | 4.2kg |
| Product Size (Panel) | 405mm * 70mm * 57.3mm |
| Power Supply Mode | Built-in Rechargeable Lithium Battery (7.2V) |
| Charging | Type-C indoor charging (5V), Type-C emergency power supply (5V) |
| Wireless Connection | Bluetooth 5.0 / ZigBee 3.0 / WiFi IEEE 802.11 b/g/n 2.4GHz |
| Product Safety Level | Level B (GA374-2019) |
| Lock Cylinder Safety Level | Grade C |
| Executive Standards | GA 374-2019, GA/T 73-2015 (lock cylinder) |
| Environmental Adaptability | Class I (GA 374-2019) |
| Door Lock Prompt Language | Chinese/English |
| User Capacity | 50 fingerprints, 50 permanent passwords, 25 NFC devices, 25 periodic passwords, 8 primary passwords |
| Suitable for Mortise | 6068 |
| Installation Method | Drilling installation |
| Fit Door Thickness | 40-120mm |
| Suitable Door Type | Wooden Door |
| Special Features | Built-in Doorbell, Built-in Camera, Built-in Peephole, Two-way Audio, Support Gateway |
| Finish Type | Polished |
| Doorknob Function | Biometric, Key & Keypad |
| Handle Direction | Direction Reversible |
| Smart Home Platform | Apple HomeKit |
4. Setup
4.1 Door Compatibility
The Aqara Smart Door Lock H100 is designed for wooden doors with a thickness between 40mm and 120mm. It uses a 6068 mortise. Please verify your door's specifications before attempting installation.
4.2 Gateway Requirements
To enable full smart features and automation scenarios, a supported Zigbee 3.0 gateway is required. Compatible gateways include:
- Aqara Gateway E1
- Aqara Gateway M1S
- Aqara Gateway M2
- Aqara Air Conditioner P3
- Aqara Smart Camera G3 (All Chinese Version)
4.3 App Connection
The lock connects to the Aqara Home APP and Apple HomeKit. Follow these steps for initial setup:
- Download the Aqara Home APP from your device's app store.
- Important: Change the region of the Aqara Home APP to "China" before attempting to connect the lock.
- Follow the in-app instructions to add your Aqara Smart Door Lock H100.
- For Apple HomeKit integration, add the lock through the Home app. Note that HomeKit may only support a subset of the lock's features.
4.4 Physical Installation
Installation involves drilling and cutting into your door. It is recommended to have professional assistance if you are not experienced with such tasks. Ensure all components are correctly aligned and secured according to the detailed installation guide provided with the product packaging.
5. Operating Instructions
5.1 Unlocking Methods
The Aqara Smart Door Lock H100 offers multiple secure ways to unlock your door:
- Fingerprint Unlocking: Register your fingerprints through the Aqara Home APP. The lock features a fast 1-second unlock.
- Password Unlocking: Use a permanent password set via the app.
- Temporary Password Unlocking: Generate one-time or periodic passwords for guests or service providers. A 20-digit virtual password feature helps prevent peeping.
- NFC Unlocking: Use compatible NFC devices (e.g., Aqara NFC cards) to unlock.
- HomeKit Unlock: Unlock using the Apple Home app or Siri commands (limited features).
- Emergency Key Unlocking: For manual override, use the physical emergency key.

5.2 Automatic Locking Mechanism
The lock features an automatic lock body that provides automatic unlocking and automatic locking. The embedded drive device in the lock body significantly improves the response speed, ensuring quick and reliable operation.

5.3 Smart Cat's Eye and HD Camera
The integrated smart cat's eye features an HD camera with a 1080P ultra-clear, ultra-wide-angle lens, allowing you to see the situation outside your door clearly.
- Infrared Night Vision: When the light sensor detects a dark environment, it automatically activates the 940nm invisible infrared fill light for clear visibility in the dark.
- Human Body Sensor: If someone stays at your door for an extended period, the human body sensor will automatically record a video clip and push it to your mobile phone, enhancing safety.
- Remote Monitoring & Two-way Audio: View live footage remotely and engage in real-time two-way audio communication with visitors through the mobile app to confirm their identity.


5.4 Electronic Doorbell
The electronic doorbell lights up automatically when someone approaches, guiding them to press it. A streamlight effect provides clear visual feedback on whether each operation is successful.

6. Maintenance
6.1 Battery Life and Charging
- The door lock's battery can last up to 200 days.
- The camera's battery can last up to 120 days.
- A 20% low battery alert will notify you when charging is needed.
- Charge the lock using the Type-C indoor charging port.

6.2 Cleaning
Wipe the lock's exterior with a soft, dry cloth. Avoid using abrasive cleaners or solvents that could damage the finish. The lock features a durable IML coffee gold panel with a matte sanding effect, designed to resist wear and scratches.

7. Troubleshooting
- Lock not connecting to Aqara Home APP: Ensure your Aqara Home APP region is set to "China".
- HomeKit features are limited: This is expected behavior as HomeKit only supports a subset of the lock's full capabilities. Use the Aqara Home APP for complete control.
- Door lock not responding: Check battery levels. If the battery is low, charge it via the Type-C port. If completely drained, use the emergency Type-C power supply or the physical emergency key.
- Fingerprint not recognized: Ensure your finger is clean and dry. Re-register your fingerprint if issues persist.
- Password not working: Double-check the entered password. Ensure no virtual digits were accidentally added or missed.
8. User Tips
- Always keep your emergency physical keys in a safe, accessible location outside your home, but not directly on the door.
- Regularly check the battery status through the Aqara Home APP to avoid unexpected power loss.
- For enhanced security, utilize the virtual password feature when entering codes in front of others.
- Explore automation scenarios within the Aqara Home APP by linking your door lock with other Zigbee 3.0 compatible smart devices for a truly intelligent home experience.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official Aqara website or contact your local Aqara distributor. Keep your purchase receipt as proof of purchase for warranty claims.





