“I like that I can check the door from the little screen instead of grabbing my phone. The delivery view is clear and the buttons are easy to use.”
— Melissa R., Ohio
M16S Wireless Video Doorbell Monitor with 4.3-Inch Indoor Screen
M16S Door Monitor Set
Sale price
$99.99
Regular price $198.99
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M16S Wireless Video Doorbell Monitor with 4.3-Inch Indoor Screen
Sale price
$99.99
Regular price $198.99
Save 50% · $99.00 today
A Clearer Way to Answer the Door. Know Who's at the Door—Without Reaching for Your Phone. The M16S pairs a slim outdoor video doorbell with a dedicated 4.3-inch indoor monitor, so you can see, hear, and speak with visitors from inside your home.. Press, view, talk, and check...
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A closer look
Everything you need to know
Explore the details, features, and practical reasons this find deserves a place in your everyday life.
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A Clearer Way to Answer the Door
Know Who's at the Door—Without Reaching for Your Phone
The M16S pairs a slim outdoor video doorbell with a dedicated 4.3-inch indoor monitor, so you can see, hear, and speak with visitors from inside your home.
Press, view, talk, and check the entry after dark—all from the indoor screen.
Everyday Doorway Confidence, Made Simpler
A practical two-part system for deliveries, visitors, family check-ins, and late-night rings.
Dedicated Indoor ViewCheck the door on a clear 4.3-inch screen instead of depending on a phone.
Two-Way ConversationHear and speak with a visitor before deciding whether to open the door.
Useful After DarkInfrared night viewing helps make late calls and unfamiliar sounds easier to check.
Choose Your AlertSix selectable ringtones help the door alert fit your household.
From Daylight to Late Night
See the Entry When It Matters
Use the indoor screen for a quick look before opening the door. At night, infrared viewing gives you added visual context when porch lighting is limited.
Talk Before You Open
Handle the Moment From Inside
Ask who is there, give a delivery instruction, or greet a familiar face through the built-in microphone and speaker—without standing right at the door.
Built for Real Entryway Moments
Deliveries, Guests, and Everyday Check-Ins
Keep the monitor where it is easy to reach—on an entry console, shelf, or side table. When the doorbell rings, you can quickly check the screen and respond with less guesswork.
One Coordinated Set
The Essentials for Your Door and Indoor Viewing Spot
The set includes the outdoor doorbell camera, the 4.3-inch indoor monitor, a USB cable, mounting plates, and the installation hardware shown below.
Choose a clear mounting location beside the entry, secure the supplied plate and hardware, then place the indoor monitor where it is easy to see and reach. Installation surfaces vary, so use the hardware that suits your doorway.
Slim at the Door. Simple on the Table.
The narrow outdoor body keeps the entry setup compact, while the angled indoor screen and four physical controls stay easy to check during daily use.
At Home With It
Small Moments That Feel More Reassuring
“The night view is what sold me. I can check the hallway from inside and feel a lot calmer when the bell rings late.”
— Donna K., Arizona
“The parts matched the listing and the setup was straightforward. I took my time with the mounting plate and had it working the same afternoon.”
— Mark T., Virginia
“My daughter gets excited to see who is visiting, and I appreciate having the monitor right by the entry. It has become part of our everyday routine.”
— Rachel P., Wisconsin
Good to Know Before You Set It Up
ConnectionThe doorbell and dedicated indoor monitor use a 2.4G wireless video link. The screen is the everyday viewing and talk point for this set.
Daily ControlsUse the monitor's physical controls for viewing, conversation, and ringtone selection.
Night ViewingInfrared night vision provides a black-and-white entry view in low light.
What You GetOne outdoor unit, one 4.3-inch indoor monitor, one USB cable, mounting plates, and the installation hardware shown in the package image.
Questions Before You Choose
Straight answers for the setup and daily use questions that matter most.
Does this require a phone app?
The dedicated indoor monitor is the viewing and two-way talk point for this set, so everyday door checks do not depend on reaching for a phone.
Can I see visitors at night?
Yes. Infrared night vision provides a black-and-white entry view when the area is dark.
Can I speak with the person outside?
Yes. The built-in microphone and speaker support two-way conversation through the indoor monitor.
What comes with one set?
One outdoor doorbell camera, one 4.3-inch indoor monitor, one USB cable, mounting plates, and the installation hardware shown in the package image.
How should I choose the mounting spot?
Choose a location beside the entry with a clear view of approaching visitors. Because door frames and wall surfaces vary, match the supplied mounting pieces to your specific surface.
What if I need help with setup or use?
Contact our support team with a photo or short description of the issue. We can help with setup steps, the included parts, and practical next steps.
Support for the Part That Matters
Help With Setup, Missing Parts, or a Screen That Needs Attention
If your set arrives damaged, a listed piece is missing, or you run into a problem powering or using the monitor, send our support team the details. We'll help with a practical solution and guide you through the next best step.
Make the Next Knock Feel Less Uncertain
Bring the outdoor view inside, speak before you open, and make everyday arrivals easier to handle from the comfort of home.
The Zernto difference
Why shop with Zernto
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Simple order tracking and an easy way to contact us when you need assistance.
Good to know
Frequently asked questions
Where do you deliver?+
We offer worldwide delivery. Use the country and currency selector in the header to view the experience available for your destination.
How can I track my order?+
Tracking details are provided after dispatch when they become available. You can also use our tracking page or contact support for help.
When will my order arrive?+
Delivery timing depends on the destination and shipping option. Available details are shown during checkout and in your tracking updates.
What if I need help with my order?+
Contact our support team with your order number and we will help you review the next step.