Chamberlain 1-1/4 HP Equivalent Ultra-Quiet Belt Drive Smart Garage Door Opener with Battery Backup

Item # 3585205 | Chamberlain Part # B970 | UPC Code 012381185863 | UNSPSC Code 30172112
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Product Overview

Get to your garage easily with this Chamberlain 1-1/4 HP equivalent belt drive garage door opener The steel-reinforced belt drive allows super-quiet operation. For safety, it offers a 100-billion code encryption and a wireless exterior keypad permits access with a 4-digit security code. Two 3-button remotes, posi-lock anti-theft protection and safety sensors ensure easy control and more protection. You can control your garage door from any place with the myQ app, providing more ease of use.

  • Smart garage door opener comes with built-in MyQ technology to keep you connected and protected: open, close and know the status of your garage door from anywhere with a smartphone or tablet with the MyQ App
  • Battery backup - ensures safe ins-and-outs even during power failures
  • Ultra-quiet and strong belt drive - steel-reinforced belt drive is constructed with high-grade materials for years of worry-free, long lasting, ultra-quiet operation perfect for attached garages
  • Powered by Chamberlain's MAX lift power system, the B970 delivers lifting force equivalent to 1-1/4 HP, the highest lifting capacity in the category for superior performance in extreme conditions
  • Superior range - includes two 3-button TriBand frequency remotes that let you control a combination of up to three openers or Chamberlain interior light modules (sold separately); exclusive TriBand technology boosts remote range up to 1,500 ft. for a quicker entrance and exit
  • Trusted safety and security - Chamberlain's unmatched security+ 2.0 100 billion code encryption, paired with your home's ISP and Wi-Fi router firewalls guard against hacking
  • Posi-lock anti-theft protection stops attempts at forced entry and ensures that once the door closes, it stays locked
  • Highest quality - built from high-grade materials for unsurpassed performance and reliability
  • Actual rail length is 9.4 ft. for 7 ft. garage doors
  • Safety sensors project an invisible beam preventing the garage door from closing on people, pets or other objects
  • Two 100-watt standard or CFL bulbs (not included) provide ample light for confident and safe movement around the garage; and the full-function wall control displays time, temperature, diagnostics and allows you to control the door and activate lights
  • A wireless exterior keypad permits access with a 4-digit secure code
  • Go remote-less and get more control with built in HomeLink compatibility; you can use your vehicle's HomeLink buttons to control gates, doors and lights from the driver's seat, and without the remote; certain vehicle makes/models may require a compatibility bridge (not included) to operate your garage door opener via the HomeLink buttons

Proposition 65 Information

Prop65 Warning Icon WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to or




Bulb Type
Doors Operated by Remote
Garage Door Opener Horsepower (hp)
1 1/4 hp
Batteries, Instructions, Remote Control
Manufacturer Warranty
Lifetime for motor and belt, 5-year for parts, 1-year accessories
Product Depth (in.)
Product Height (in.)
Product Weight (lb.)
Product Width (in.)


Lifetime for motor and belt, 5-year for parts, 1-year accessories