How to Add Aqara Doorbell to Sync Module in Minutes

Adding your Aqara Doorbell to a Sync Module takes just minutes and ensures seamless smart home integration. Simply power on the devices, open the Aqara app, and follow the intuitive setup to pair them via Bluetooth or Zigbee—no technical expertise needed. Once connected, enjoy real-time alerts, automation, and enhanced reliability across your Aqara ecosystem.

Key Takeaways

• Power off first: Always disconnect power before connecting the doorbell to the Sync Module.
• Use the Aqara app: Follow in-app instructions for seamless pairing with the Sync Module.
• Check compatibility: Ensure your doorbell model supports the Sync Module integration.
• Firmware updates: Update both devices to the latest firmware for smooth setup.
• Stable Wi-Fi: Maintain strong signal strength during the pairing process.
• Test functionality: Verify chime and app alerts post-installation for proper operation.

The Smart Home Revolution: Why Aqara Doorbell and Sync Module Are a Perfect Pair

In today’s fast-paced world, home security and smart automation have evolved from luxuries to necessities. Enter the Aqara Doorbell, a sleek, feature-rich device that transforms how you interact with visitors—whether you’re at home, at work, or on vacation. With crisp HD video, two-way audio, motion detection, and seamless integration into the Aqara ecosystem, it’s no wonder this doorbell is a favorite among smart home enthusiasts. But to truly unlock its potential, you need the Aqara Sync Module, a compact hub designed to bridge your Aqara devices with your home network and smart assistants like Apple HomeKit, Google Assistant, and Amazon Alexa.

Adding your Aqara Doorbell to the Sync Module isn’t just about connectivity—it’s about creating a unified, intelligent home experience. The Sync Module enhances reliability, reduces latency, and enables advanced automations like recording video clips to iCloud, triggering lights when the doorbell is pressed, or sending alerts to multiple devices. In this guide, we’ll walk you through the step-by-step process of pairing your Aqara Doorbell with the Sync Module in just minutes. Whether you’re a DIY beginner or a seasoned smart home pro, you’ll gain the confidence to integrate these devices seamlessly and enjoy a smarter, safer home.

Understanding the Aqara Ecosystem: Components and Compatibility

What Is the Aqara Doorbell?

The Aqara Doorbell (model D100 or D100S, depending on your region) is a Wi-Fi-enabled smart doorbell with 1080p HD video, night vision, motion detection, and two-way audio. It supports local storage via microSD card (up to 512GB) and cloud storage (via Aqara Home app or Apple HomeKit). Unlike battery-powered doorbells, the Aqara Doorbell requires continuous power through existing doorbell wiring (8–24V AC), ensuring 24/7 reliability. It also features a built-in chime and customizable LED indicators for visitor alerts.

What Is the Aqara Sync Module?

The Aqara Sync Module (also known as the Aqara Hub M1S or M2, depending on the model) acts as a central brain for your Aqara devices. It connects to your home Wi-Fi (2.4 GHz only) and enables communication between Aqara sensors, lights, cameras, and third-party platforms. Key features include:

• Support for Zigbee 3.0 and Wi-Fi protocols
• Apple HomeKit Secure Video compatibility (with M1S Gen 2 or M2)
• Local processing for faster response times
• Firmware updates and device management via the Aqara Home app

Important: The Sync Module is required for Apple HomeKit integration. Without it, the Aqara Doorbell cannot be added to Apple Home, limiting automation and remote access features.

Compatibility Checklist

Before pairing, ensure your devices are compatible:

• Aqara Doorbell: Must be the D100 or D100S model (not the older D100B, which lacks HomeKit support)
• Sync Module: Must be M1S Gen 2, M2, or later (older M1 models do not support HomeKit Secure Video)
• Network: 2.4 GHz Wi-Fi network (5 GHz is not supported)
• Power: Doorbell must be hardwired to existing doorbell wiring (8–24V AC)
• App: Aqara Home app (latest version) installed on your smartphone (iOS 14+ or Android 8.0+)

Pro Tip: Check the model number on the back of your devices and verify compatibility on Aqara’s official website. Mixing incompatible models can lead to pairing failures.

Step-by-Step Guide: Adding Aqara Doorbell to Sync Module

Step 1: Power On and Prepare Your Devices

Start by ensuring both devices are powered and ready:

1. Sync Module: Plug it into a power outlet and connect it to your Wi-Fi. The status LED should turn solid blue after setup (via Aqara Home app).
2. Doorbell: Hardwire it to your existing doorbell circuit. Turn off power at the breaker, connect the wires (typically red to “Front,” black to “Trans”), and restore power. The doorbell’s LED will blink rapidly when powered.
3. Smartphone: Open the Aqara Home app and log in. Ensure you’re on the same Wi-Fi network as the Sync Module.

Tip: If your doorbell doesn’t power on, check the voltage with a multimeter. Aqara requires at least 8V AC to function.

Step 2: Initiate Pairing Mode on the Sync Module

The Sync Module must be in “pairing mode” to detect new devices:

1. In the Aqara Home app, tap the “+” icon in the top-right corner.
2. Select “Add Device” and choose “Aqara Hub (M1S/M2)” if not already added.
3. Tap the “Add Subdevice” button on the Sync Module’s device page.
4. Press and hold the Sync Module’s pairing button (located on the side) for 5 seconds until the LED blinks yellow.

Note: The yellow blink indicates pairing mode is active. You have 3 minutes to add the doorbell.

Step 3: Put the Doorbell in Pairing Mode

Trigger the doorbell to broadcast its signal:

1. On the Aqara Doorbell, press and hold the “Pair” button (small recessed button on the back) for 5 seconds.
2. Listen for a voice prompt: “Pairing mode activated.” The LED will blink blue.
3. Within 30 seconds, the Aqara Home app will display a notification: “Aqara Doorbell detected.” Tap “Add”.

Troubleshooting: If the doorbell isn’t detected, reset it by holding the pair button for 15 seconds (until it says “Factory reset completed”), then retry.

Step 4: Complete the Setup in the Aqara Home App

Once detected, follow the app’s prompts:

1. Assign a name to the doorbell (e.g., “Front Door”) and select its location (e.g., “Entrance”).
2. Configure Wi-Fi settings. The doorbell will connect to your network via the Sync Module (not directly to Wi-Fi).
3. Set up motion detection zones (optional) by drawing areas on the video feed where alerts should trigger.
4. Enable two-way audio and adjust volume levels.
5. Tap “Done” to finalize. The doorbell will reboot and sync with the Sync Module.

Pro Tip: Enable “Local Storage” to save video clips to a microSD card. This avoids cloud subscription fees and ensures footage is accessible even during internet outages.

Step 5: Test the Connection and Features

Verify everything works:

• Press the doorbell button—your phone should receive a notification, and the Sync Module’s chime should sound.
• Open the Aqara Home app to view the live feed and test two-way audio.
• Trigger motion detection by walking in front of the camera. Check if alerts appear.
• If using Apple HomeKit, scan the HomeKit code (on the Sync Module) in the Home app to enable Secure Video.

Success! The doorbell is now part of your Aqara network and ready for automations.

Advanced Configuration: Unlocking Full Potential

Integrating with Apple HomeKit

For Apple users, the Sync Module enables HomeKit Secure Video, which encrypts and stores clips in iCloud (with 10-day retention on 200GB+ plans). To set it up:

1. In the Aqara Home app, go to Settings > HomeKit Integration.
2. Tap “Add to Apple Home” and scan the HomeKit code on the Sync Module.
3. In the Apple Home app, assign the doorbell to a room and enable “Record to iCloud”.
4. Use Siri to view the feed (e.g., “Hey Siri, show the front door.”).

Note: HomeKit Secure Video requires an M1S Gen 2 or M2 Sync Module and an active iCloud+ subscription.

Creating Smart Automations

Leverage the Aqara Home app to build automations:

• Light Triggers: When the doorbell is pressed, turn on porch lights for 5 minutes.
• Multi-Device Alerts: Send notifications to your phone, tablet, and smartwatch simultaneously.
• Motion-Based Recording: Save video clips only when motion is detected in a specific zone (e.g., the driveway).
• Vacation Mode: During trips, enable “Away Mode” to record all motion events and send alerts to a trusted contact.

Example: Create an automation: “When motion is detected at night, turn on the hallway light and send a phone notification.” This enhances security and convenience.

Optimizing Performance and Security

To ensure reliability:

• Place the Sync Module centrally to avoid signal dead zones.
• Update firmware regularly (check in the Aqara Home app under Device Settings > Firmware Update).
• Use a strong Wi-Fi password and enable WPA3 encryption if available.
• For privacy, disable cloud storage and rely on microSD cards.

Warning: Avoid placing the Sync Module near microwaves or cordless phones, as they can interfere with Wi-Fi signals.

Common Issues and Troubleshooting

Doorbell Not Detected During Pairing

Symptoms: App doesn’t show the doorbell, or pairing times out.

Solutions:

• Reset the doorbell and Sync Module (hold pair buttons for 15 seconds).
• Ensure both devices are within 10 feet during pairing.
• Check for Wi-Fi interference (use a Wi-Fi analyzer app to find less congested channels).
• Disable VPNs or ad blockers on your phone.

Live Feed Delays or Freezes

Symptoms: Video lags or buffers frequently.

Solutions:

• Upgrade to a Wi-Fi 6 router for better throughput.
• Reduce video resolution to 720p (in Aqara Home app > Doorbell Settings > Video Quality).
• Move the Sync Module closer to the router.

HomeKit Integration Failures

Symptoms: Doorbell doesn’t appear in Apple Home or Secure Video won’t enable.

Solutions:

• Verify the Sync Module model (must be M1S Gen 2/M2).
• Restart the Sync Module and re-scan the HomeKit code.
• Ensure your iCloud account has sufficient storage.

Data Table: Troubleshooting Quick Reference

Issue	Likely Cause	Solution
Doorbell not powering on	Low voltage or incorrect wiring	Check voltage (must be 8–24V AC); rewire if needed
Pairing timeout	Distance or interference	Move devices closer; reset both
HomeKit not detecting doorbell	Incompatible Sync Module	Upgrade to M1S Gen 2/M2
Motion alerts not triggering	Incorrect zone settings	Redraw motion zones in Aqara app

Conclusion: Your Smart Home, Smarter Than Ever

Adding your Aqara Doorbell to the Sync Module isn’t just a technical task—it’s a gateway to a more secure, efficient, and intelligent home. With seamless integration, real-time alerts, and powerful automations, you’ll never miss a visitor, deter porch pirates, and gain peace of mind knowing your home is protected. The process, as we’ve shown, takes just minutes with the right preparation and tools.

Remember, the key to success lies in compatibility, patience, and optimization. Always verify device models, follow pairing steps meticulously, and leverage the Aqara Home app’s automation features to their fullest. Whether you’re using Apple HomeKit, Google Assistant, or Aqara’s native ecosystem, the Sync Module unlocks a world of possibilities—from recording HD clips to your iCloud account to turning on lights when someone approaches your door.

Now that your Aqara Doorbell is connected, take the next step: explore automations, share access with family members, and integrate with other Aqara devices like motion sensors or smart locks. The future of home automation is here—and it starts at your front door. Welcome home.

Frequently Asked Questions

How do I add my Aqara doorbell to the Sync module for the first time?

To add your Aqara doorbell to the Sync module, open the Aqara app, tap “Add Device,” and follow the in-app instructions to scan the QR code on your doorbell. Ensure both devices are powered and within 3 feet during pairing.

Why won’t my Aqara doorbell connect to the Sync module?

Connection issues often stem from distance, low battery, or Wi-Fi interference. Keep the devices close, replace the doorbell battery if needed, and temporarily disable other wireless devices during setup.

Can I pair multiple Aqara doorbells with one Sync module?

Yes, one Sync module supports up to 4 Aqara doorbells. Use the Aqara app to add additional doorbells by repeating the “Add Device” process for each unit.

How do I reset my Aqara doorbell before adding it to the Sync module?

Press and hold the doorbell’s reset button (usually on the back) for 10 seconds until the LED flashes rapidly. This erases previous settings, allowing fresh pairing with the Sync module.

Does the Aqara doorbell require the Sync module to work?

The Sync module is required for advanced features like chime syncing, notifications, and smart home integrations. Without it, the doorbell functions only as a basic wired doorbell.

How can I troubleshoot slow response when adding the doorbell to the Sync module?

Ensure your phone and Sync module are on the same 2.4GHz Wi-Fi network. Restart the Sync module and app, and avoid pairing during peak network usage for faster results.