How is this control different from 888LM? The 888LM is advertised to work as upgrade to previous Models 1998+.

Recommend calling liftmaster direct for best answer. Basically the older models worked off analog and the new models are purely digital. The 880LM is a digital upgrade and I use it as a second controller in my garage that has two entry doors. The 888LM upgrades older liftmasters to the increased features on the new models...I.e. adds a motion sensor for turning on lights and adds capability to auto close the door if you don't hit the hold button. The Amazon descriptions got me confused, but the liftmaster service desk got me right on track. I have 3 openers...two are the old technology and the newest is the digital opener that i used the 880LM on. I upgraded one of my older openers with the 888LM.

Is this compatible with liftmaster my q model 8835?

Compatible ONLY with Security+2.0â¢ MyQâ¢ LiftMaster garage door openers or gate operators.Compatible with Craftsman AssureLinkâ¢ garage door openers by Sears.All Security+2.0 garage door openers have a round yellow Learn button and two yellow antennas.Equipped with Maintenance Alert System.Push button for garage door operation and a lock out switch for extra security.Displays temperature (Fahrenheit or Celsius), time and system diagnostics in English, Spanish or French.Motion detector automatically turns on garage door open lights when movement is sensed.Timer-To-Close allows you to automatically close your garage door in 1, 5 or 10 minutes or custom setting from 1-99 minutes.Includes mounting screws and instructions.

Can I use two of these on one garage door opener?

I have three entryways into my garage, so I'd like three wall panels to control one garage door opener. Although Chamberlain tech support said it would work, upon wiring the second wall panel control they both went blank. So at this time I don't know of a hard-wired way to control via multiple entryways. I think the other two will have to be wireless, like strapping RF remotes to the walls. If anyone knows of a more elegant solution, please respond.

Does it work with the chamberlain whisper drive garage door model wd850kevg

I have the Chamberlain WD962KEV Whisper Drive and this control panel works with my door. The Liftmaster products are supposed to be compatible across MyQ devices but according to reviews it seems they don't always work as advertised.

Installation Type	Screw-In
Recommended Uses For Product	The primary recommended use for this product is to open and close garage doors remotely and automatically, providing convenience, security, and ease of use.
Specification Met	UL
UPC	640213240048 707785645807 012381998807
Global Trade Identification Number	00012381998807
Shape	square
Manufacturer	LiftMaster
Part Number	880lm
Product Dimensions	6 x 3.9 x 1.9 inches
Item model number	880lm
Is Discontinued By Manufacturer	No
Finish	plastic
Wattage	1 watts
Item Package Quantity	1
Luminous Flux	880
Special Features	Lockable
Batteries Included?	No
Batteries Required?	No

880LM Motion - Only Works with LiftMaster Security+ 2.0 Garage Door Openers - Detecting Control Panel - Features Menu-Driven Panel and Timer-to-Close

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