MD210 [V1] | Video Doorbell With Chime
MD210
Video Doorbell With Chime
- High-Definition Video - Features 2K 3MP high-definition video, providing users with clear and detailed footage.
- 160° Ultra-Wide DFOV - Ensures you capture every detail in a single glance.
- Person Detection - Smart AI identifies a person accurately, sending instant notifications through the MERCUSYS APP.
- Night Vision - Offers sharp black-and-white clarity, ensuring detailed visibility even in complete darkness.
- Two-Way Audio - Hear and respond in real time through a built-in microphone and speaker. Interact with your family and pets at any time.
- Quick Responses - Select a preset response to communicate with visitors from anywhere.
- Local Storage - Supports microSD card up to 512 GB for local storage, providing a secure and cost-effective way to store footage.
- Cloud Storage Supported - Store videos with MERCUSYS cloud storage services.
- Voice Control - Compatible with Google Assistant and Amazon Alexa, offering hands-free control for users.
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watch video: How to Set up and Install MERCUSYS Battery Video Doorbell (Take MD210 as an example)
How to Set up and Install MERCUSYS Battery Video Doorbell (Take MD210 as an example)
Field of View
See Who’s There, Day or Night
Bright sunlight or dark nights won’t keep you from seeing clear details.
See More Outside Your Door
With a wider 160° diagonal field of view, you can see more of your doorstep and your visitor than with a typical 120° view.†
Months of Power on a Single Charge
Truly wire-free with Wi-Fi and long-lasting battery power, the doorbell installs anywhere without cables. Enjoy months of reliable performance with no hassle and no interruptions.
Easy Install & Charging
Secure Local & Cloud Storage
Save all your important moments to a microSD card (up to 512 GB) or subscribe to MERCUSYS Camera Care for cloud service after a free trial.§
Personalized for Your Home
†microSD card sold separately. ‡Subscribe for cloud storage at https://www.mercusys.com/cameracare/ §MD210 does not have an Ethernet port and can only be connected via Wi-Fi. △Compatible with Alexa and Google Assistant supported displays. User experience is dependent on the connected device's specifications.
MERCUSYS Helps You Set Up in A Few Steps
Without any technical know-how or reading complicated instructions, simply follow the in-app instructions. Set up your mesh network in minutes.
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Halo Power Cable Ethernet CableStep 1
Find what you’ll need in the box
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Step 2
Plug in your devices
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Step 3
Follow the on-screen directions with the MERCUSYS app
Manage Your WiFi in Real Time
With the MERCUSYS app, experience live network management. See who’s connecting to your network and manage it at any time with your iOS or Android devices.

Notice: The configuration page of different models may be different, please refer to the actual one.
Powerful Parental Controls
Easily manage your kids’ online time and content to create a safe and healthy online environment.
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Create User Profiles
Create a profile for each family member you would like to manage. Assign devices to the profile to set access controls and time limits for them.
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Online Time Limits
Set daily limits on how long your kids spend online and prevent them from accessing the internet on their devices for a long time to build a healthy network habit.
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Block Inappropriate Websites
Control which sites your kids visit by setting a block list.
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Pause Internet Connection
Suspend family members’ internet connections to take a break from the virtual world to enjoy some family time.
Manage and Secure Your Home Network
The MERCUSYS app helps you manage your WiFi at home or away through your iOS or Android devices.
Check the Status of Connected Devices
Intuitively view the working status of your Halo network and see what is connected. Prioritize or block devices as needed.
Quality of Services
Prioritizes devices you select to perform better.
New Device Access Alert
The MERCUSYS app proactively sends out an alert to inform you when an unfamiliar device is connected. Tap to block the device if it is a security risk.
Set Up a Guest Network
Provides a separate network for guests to ensure your security and privacy.
Everything in One App
Whether you’re looking to control a wide range of MERCUSYS routers, extenders, or Halo mesh systems, find it all on the app.
See what’s compatibleCompatible Products
Note: The device's firmware requires the latest version. Click here to learn how to upgrade your firmware.
Note: Both listed and higher hardware versions of these models are compatible with the MERCUSYS app.
Supporting Multiple Languages
MERCUSYS app supports up to 26 languages, enabling easy network management for users all over the world.
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English
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Nederlands
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Français
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Deutsch
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Italiano
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日本語
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한국어
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Português
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Español
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繁體中文
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Русский язык
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Português Brasil
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Español
(Latinoamérica) -
Български
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Українська мова
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Polski
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Română
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Slovenčina
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ไทย
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Türkçe
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Čeština
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Tiếng Việt
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Eλληνικά
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Bahasa Melayu
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Magyar
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עברית
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Camera
| Image Sensor | 1/2.8” Progressive Scan CMOS Sensor |
|---|---|
| Lens | Focal Length: 2.4 mm Aperture: F2.2 Field of View: 160 (Diagonal),143.1°(Horizontal), 76.3°(Vertical) |
| Night Vision | 2× 850 nm IR LEDs (25 ft, 7.6 m) Black and White Image |
| Interface & Button | 1× RESET Button 1× Doorbell Button 1× microSD Card Slot 1× USB Type-C Port |
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Video & Audio
| Maximum Resolution | 2304 × 1296 px |
|---|---|
| Digital Zoom | 10x |
| Frame Rate | 15 fps |
| Video Compression | H.264 |
| Live View | Yes |
| Image Enhancement | 3DNR WDR |
| Audio Input & Output | Built-in microphone and speaker |
| Audio Communication | Two-Way Audio with Noise Cancellation |
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Software
| Security | 128 bit AES encryption with SSL/TLS |
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Storage
| Local Storage | Micro SD card slot |
|---|---|
| Cloud Storage | MERCUSYS Camera Care Cloud Storage Services (Subscription required) |
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Network
| Network Connectivity | Connect via Wi-Fi |
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| Wireless Connectivity | IEEE 802.11b/g/n, 2.4 GHz Wi-Fi |
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Power
| Power Source | 5200mAh Built-in Rechargeable Lithium-ion Battery |
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| Input Voltage | Doorbell Battery Pack Adapter Input: 100-240 V, 50/60 Hz |
| Output Voltage | Doorbell Battery Pack Adapter Output: 5.0 V, 1.0 A |
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Detection & Notifications
| Sensor | Single PIR Motion Sensor Motion Detection Range: 25 ft |
|---|---|
| AI Detection | Person and Motion Detection |
| Activity Zones | Yes |
| Output Notification | System Notification |
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General
| Smart Integration | Google Assistant, Amazon Alexa |
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| Weather Resistance | IP54 |
| Mounting Options | Stick to a Wall Mount to a Wall |
| Operating Temperature | -20℃~45℃ |
| Storage Temperature | -40℃~60℃ |
| Operating Humidity | 10%~90% RH, Non-condensing |
| Storage Humidity | 0~90% RH, Non-condensing |
| Dimensions ( W x D x H ) | Doorbell: 140 × 46 × 32.6 mm Chime: 72.95 × 62.20 × 43.47 mm |
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Others
| Certifications | RoHS |
|---|---|
| Package Contents | MERCUSYS Video Doorbell × 1 Chime× 1 Mounting Brackets × 1 Horizontal Mounting Wedge× 1 3M Adhesive× 1 Foam Pad× 1 Screws and Anchors USB Cable× 1 Mounting Template Sticker × 1 Quick Start Guide |


