does the replacement come with programing instructions?

Yes, it provides written instructions. Easy to program.

does this fit master machanic remote

The information they give on the order page is this what you are asking: Attention: NOT work for remote with dip switches! Only works for a Green Learn Button of Chamberlain,Liftmaster or Sears Craftsman Garage Door Openers. Replacement for Liftmaster 81LM Chamberlain 850CB Remote Control.

No light , but very nice remote. Be sure to get the correct unit to match your door opener. They are color coded making it easy to match up.

How do i get this remote to close door? It opens just fine

My remotes have been opening and closing. You can google to find various reasons why it may not close.

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🚪 Unlock convenience and security with every click!

ROCK SOLID SECURITY - Billion Code encryption ensures your garage stays locked tight against unauthorized access.
SEAMLESS COMPATIBILITY - Works flawlessly with 1993-1997 LiftMaster/Chamberlain/Sears Craftsman models for zero hassle.
PEACE OF MIND GUARANTEED - Backed by 24/7 expert support and a no-questions-asked 3-year warranty—because reliability matters.
UNMATCHED BATTERY LONGEVITY - Equipped with a high-capacity 3V lithium battery lasting up to 3 years—stay powered without interruptions.
EFFORTLESS CONTROL AT YOUR FINGERTIPS - 164 feet range and ergonomic design make opening your garage a smooth, stylish experience.

This 2-pack LiftMaster Chamberlain 81LM 850CB garage door opener remote is engineered for models with a green learn button from 1993-1997. Featuring a durable ABS casing, FCC certification, and advanced Billion Code security, it offers a 164-foot control range and a long-lasting 3V lithium battery with up to 3 years of life. Included are batteries, a visor clip, and a user manual, all supported by 24/7 technical assistance and a 3-year warranty for ultimate peace of mind.

€ 57.44

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Slovakiastore

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TrustScore 4.5 | 7,300+ reviews

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Customer service was outstanding when I had questions about the product.

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Manufacturer	ASONPAO
Package Dimensions	15.6 x 11.91 x 3.3 cm; 58.97 g
Batteries	2 Lithium Metal batteries required. (included)
Item model number	81LM 850CB
Size	2Pak
Colour	black
Material	Acrylonitrile Butadiene Styrene (ABS)
Item Package Quantity	1
Special Features	Ergonomic
Included Components	battery,user manual,visor clip
Batteries included?	Yes
Batteries Required?	Yes
Battery Cell Type	Lithium Manganese Dioxide
Battery description	CR2032
Average Battery Life	3 years
Item Weight	58.9 g

2 for 81LM 850CB LiftMaster Chamberlain Garage Door Opener Remote (Green Learn Button 1993-1995/1997) 3-Year-Warranty

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