Building trust, one garage door at a time!

Chamberlain B4643ST

Secure View™ Camera Ultra-Quiet Wi-Fi Garage Door Opener
  • Built-in camera: 130⁰ wide angle camera lets you see and hear what’s happening in your garage through the myQ® app.
  • Smartphone control: Control, secure and monitor the garage with the myQ app- anytime, from anywhere.
  • Quiet operation: Ultra-quiet DC motor and strong belt drive system ensures for comfortable living spaces near the garage.
  • Integrated advanced LED lighting: Purposely brightens high traffic areas of the garage, motion activated, 1,000 lumens.
  • Next generation garage technology: Improved Wi-Fi® connectivity and enhanced memory to support new myQ features and solutions.
  • Integrated Bluetooth technology: Reduces setup time and makes it even easier to connect to the myQ app, other myQ devices and smart home technology solutions.
  • Works with Amazon Key: Enables convenient and secure In-Garage Delivery. PLUS live video streaming capabilities let you watch your Amazon packages and groceries get delivered to your garage in real-time.
  • BILT® intelligent instructions: 3D instructions for a quick, easy installation.

<h4″>Secure View™

Live Streaming And Video Storage
View live-streaming video from your garage for free.

Add a myQ Video Storage Subscription to record and save videos for up to 7 or 30 days.

2-Way Audio
Communicate in real time between your garage and your smartphone.

HD-Quality Video
1080p, glare-resistant, night vision lens auto-adjusts to light levels in the garage to capture everything and anything that passes through the garage.

MyQ Video Storage Plans

People Detection
Identify when a person has been detected in your garage.

Rich Notifications
Receive a thumbnail alert when an event is recorded in the garage. Press and hold the alert to see exactly what happened and when.

Access Alerts
When a recording is captured you will receive an alert allowing you to see who entered and exited your garage.

Download, Save And Share
Video Storage Plans allow you to download, save and share video clips straight from your myQ app for up to 30 days— so you don’t miss a thing.


Home Connectivity With MyQ

Easily Connect
Easily connect to a home network with built-in Wi-Fi®.

Receive Alerts
Receive alerts and open or close your garage door on your smartphone.

Schedule To Close
Set a recurring schedule to close your garage door or turn your lights on/off.

Syncs With
Sync with popular smart devices and platforms.
Learn more about the free myQ smart home app.

Amazon Key In-Garage Delivery

Safe And Secure Packages
Enables secure in-garage delivery for Amazon Prime packages.

Simple Setup
Eligible Prime Members simply link your account to Amazon Key in the myQ app.

Real-Time Updates
Monitor and control your deliveries from your smartphone.

Are You Ready For In-Garage Delivery?

Check to see if you are eligible or learn how to set it up. Check now.



Lifting Force 3/4 HP
Combat wear and tear from frequent use with a lift force equivalent to 3/4 HP*.

*For comparison purposes only; lift capacity similar to 1-1/4 or 3/4 horsepower AC motor. Lift capacity of DC motors is typically not measured in horsepower.

Safety And Security

Video Camera
Integrated camera enables you to see what is happening in your garage through a live feed or recorded event.

Safety Sensors
Protect people and vehicles with safety sensors that stop the door from closing on obstructions.




Lighting Integrated 1000 Lumens LED
Motor Power 3/4 HP
Battery Backup No
Smartphone Control Yes
Timer To Close Yes
Drive Type belt
Security / Lock No
Soft Start / Stop Yes
GDO Learn Button Color Compatibility (Learn Button Color ) Yellow
Video Yes
Field of View 130⁰ Wide angle camera



  • Accessory Warranty: 1 Year
  • Belt Warranty: Lifetime
  • Motor Warranty: Lifetime
  • Parts Warranty: 5 Years
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