MD210 [V1] | Battery Video Doorbell

MD210

Battery Video Doorbell

2K Clarity - Crisp video makes faces, packages, and doorstep details easy to see at all times.
160° Wide Field of View - See head-to-toe view and more of your porch with fewer blind spots.†
Instant Doorbell Calls - Respond to the doorbell just like answering a phone call, ensuring no visitor or delivery is missed.
Auto & Quick Voice Response - Use pre-set voice messages to reply when speaking is not convenient.
Free Person Detection - Accurate notifications keep you informed without monthly fees.
Wire-Free Installation in Minutes - Stick it on with 3M adhesive or mount with screws—perfect for houses, apartments, and rentals.
Months of Power on a Single Charge - Use for months and recharge easily via USB-C on or off the wall.
Local & Cloud Storage - Save videos your way with microSD card up to 512 GB or cloud storage.
Voice Control - Compatible with Google Assistant and Amazon Alexa, offering hands-free control for users.

Overview

2K 3MP

Instant Doorbell Calls & Communication

Up to 180-Day Battery Life^‡

160° Wide
Field of View

Free Person Detection and Notifications

Easy Install & Charging

Indoor Chime Included

Auto & Quick Response

Secure Local & Cloud Storage

See Who’s There, Day or Night

Bright sunlight or dark nights won’t keep you from seeing clear details.

2K Clarity

Shows Every Detail

IR Night Vision

Faces Stay Visible up to 25 ft

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.^†

120° DFOV

160° DFOV

Answer Your Door from Anywhere

Your phone rings the moment the doorbell is pressed, allowing you to speak with visitors in real time wherever you are. When you're busy, your doorbell can answer for you.

Instant Doorbell Calls
I'll be there in a minute.

Quick Voice Response

Smart Alerts with No Monthly Fees

Get instant person and motion notifications without any subscription fees. Smart detection makes alerts more accurate and less distracting.

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.

Rechargeable

5200 mAh Battery
No

Wiring Needed

180-Day

Battery Life^‡

Easy Install & Charging

Setup

Follow the guided steps in the MERCUSYS app to easily set up your doorbell and pair with the chime.

Mount

Attach the plate with a 3M adhesive or screws, then snap on the doorbell to install.

Recharge

Charge with the USB-C port, either detached or on the wall with a power bank.

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.^§

Subscribe to MERCUSYS Camera Care

microSD Card

(up to 512 GB)
Camera Care

(Up to 30-Day Unlimited Video History)

Personalized for Your Home

Customizable Active Zones

Get fewer distractions by monitoring only the areas that matter.

Customizable Light Ring

Pick a light color that fits your vibe.

Wedge Positioning

Use the included 15° mounting wedge for a more focused view from a specific angle.

Works with Voice Assistants

Works with Google Assistant and Alexa for hands-free control.

^†When installed at 1.2 meters, MD210 captures visitors head to toe at a distance of 1.5 meters.
^‡180-day battery life is based on laboratory testing with 300 seconds of use per day. The time of use includes recording and watching live views. Actual battery life may vary due to device settings, usage, router specifications, and environmental factors.
^§microSD card sold separately. Actual storage capacity depends on the size of the microSD card used. Subscribe for cloud storage at https://www.mercusys.com/cameracare/
^△The app Ul is for reference only and is subject to optimization and improvement.
*Specifications are subject to change without notice.

Setup&App

MERCUSYS

Simple and Functional

See what’s compatible

MERCUSYS

The MERCUSYS app provides the easiest way for you to set up in minutes and manage your WiFi at home or away through your iOS or Android devices.

Easy Setup
Manage in Real-time
Quality of Services
Guest Network
Parental Controls

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.

Halo Power Cable Ethernet Cable

Step 1

Find what you’ll need in the box
Step 2

Plug in your devices
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.

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.
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.
Block Inappropriate Websites

Control which sites your kids visit by setting a block list.
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 compatible

Compatible 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.

Specifications

Camera

Video & Audio

Software

Storage

Hardware

Power

General

Detection & Notifications

Network

Others

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	Video Doorbell-MD210D： 1× RESET Button 1× Doorbell Button 1× microSD Card Slot 1× USB Type-C Port Chime-MD210C： 1× RESET Button

Maximum Resolution	2304 × 1296 px
Frame Rate	15 fps
Digital Zoom	10.8×
Video Compression	H.264
Live View	Yes
Image Enhancement	3DNR WDR
Audio Input & Output	Video Doorbell-MD210D： Built-in microphone and speaker Chime-MD210C： Speaker
Audio Communication	Two-Way Audio with Noise Cancellation

Local Storage	Micro SD card slot (Supports up to 512GB)
Cloud Storage	MERCUSYS Camera Care Cloud Storage Services (Subscription required)

Smart Integration	Google Assistant, Amazon Alexa, Samsung SmartThings
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 )	Video Doorbell-MD210D： 140.0 × 46.0 × 32.6 mm (5.51 × 1.81 × 1.28 inches) Chime-MD210C： 43.5 × 43.2 × 72.9 mm (1.7 × 1.7 × 2.9 inches)

Sensor	Single PIR Motion Sensor Motion Detection Range: 31 ft
AI Detection	Person and Motion Detection
Activity Zones	Yes
Output Notification	System Notification System Notification with Snapshot (Subscription Required)

Network Connectivity	Connect via Wi-Fi
Wireless Connectivity	IEEE 802.11b/g/n, 2.4 GHz Wi-Fi

Certifications	CE, NTRA
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

MD210 [V1] | Battery Video Doorbell

MD210

Battery Video Doorbell

Overview

Peace of Mind Starts at Your Door

Battery Video Doorbell

See Who’s There, Day or Night

See More Outside Your Door

Answer Your Door from Anywhere

Instant Doorbell Calls

Quick Voice Response

Smart Alerts with No Monthly Fees

Months of Power on a Single Charge

Easy Install & Charging

Setup

Mount

Recharge

Secure Local & Cloud Storage

Personalized for Your Home

Customizable Active Zones

Customizable Light Ring

Wedge Positioning

Works with Voice Assistants

Setup&App

MERCUSYS

Simple and Functional

MERCUSYS

MERCUSYS Helps You Set Up in A Few Steps

Manage Your WiFi in Real Time

Powerful Parental Controls

Create User Profiles

Online Time Limits

Block Inappropriate Websites

Pause Internet Connection

Manage and Secure Your Home Network

Check the Status of Connected Devices

Quality of Services

New Device Access Alert

Set Up a Guest Network

Everything in One App

Compatible Products

Supporting Multiple Languages

Specifications

Support

Peace of Mind
Starts at Your Door