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C870
Durable Chain Drive Wi-Fi Garage Door Opener With Battery Backup
- Built-in Wi-Fi® enables smartphone control with myQ®.
- MAX lift power for heavier doors with a lift force equivalent to 1-1/4 HP*.
- Open/close your garage door even when the power is out with Battery Backup.
- Enables secure in-garage delivery for Amazon Prime packages. Check availability in your area.
Overview
Features
Features
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.


Key by Amazon In-Garage Delivery
Safe and Secure Packages
Enables secure in-garage delivery for Amazon Prime packages.
Simple Setup
Eligible Prime Members simply download the Key by Amazon App and link it to your myQ account.
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.
Power
Lifting Force 1-1/4HP
Handle extreme conditions and heavier doors with a lift force equivalent to 1-1/4 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
Safety Sensors
Protect people and vehicles with safety sensors that stop the door from closing on obstructions.
Forced Openings
Electronically protects against forced openings of your garage door.
Secure Code
Confidently know that every click sends a secure code to your garage door opener.
Specs
Specs
Drive Type | Chain | Motor Power | 1 1/4 HP | ||
AC / DC | DC | Battery Backup | Yes | ||
Lights Turn On When Entering Garage | Yes | Security / Lock | No | ||
Smartphone Control | Yes | Soft Start / Stop | Yes | ||
Timer To Close | Yes |
Drive Type | Chain | |
Motor Power | 1 1/4 HP | |
AC / DC | DC | |
Battery Backup | Yes | |
Lights Turn On When Entering Garage | Yes | |
Security / Lock | No | |
Smartphone Control | Yes | |
Soft Start / Stop | Yes | |
Timer To Close | Yes |
Warranty
- Motor Warranty: Lifetime
- Parts Warranty: 5 years
- Chain Warranty: 5 years
What's included
What's included
Compatibility
- HomeLink® Compatible
Compatibility Bridge™ (not included) necessary for certain vehicles. Visit bridge.liftmaster.com to find out if a Bridge is needed.
HomeLink® is a registered trademark of Gentex Corporation.
Installation & Support
Installation & Support
manual
Replacement Parts
How to Assemble and Install a Chamberlain Chain Drive Garage Door Opener
How to Program the Chamberlain Wireless Keypad, Model 940EV
How to Test the Safety Reversal System of Your Chamberlain Garage Door Opener
info California Residents: Proposition 65 WARNING
Reviews
Reviews
Compatible Accessories