How do I replace the battery? I can't get the unit open

This is moderately difficult. ON the side of the unit, there is a dimple. You need to force a small straight blade screwdriver or the clip into it and then pry the side of it open.Once this is poipen, slifde the small screwdriver around the edge, prying it all the time until you get it open.

Where would the "learn clip" be located at, on the liftmaster umit at the top of my garage roof? I'm not sure. This is all new to me.

The learn ‘button’ is located on the back of the garage door opener. You have to remove the plastic cover.

Does this work with Liftmaster 3800

Didn't work on mine......I did better by just going to Lowes and getting a generic one....

Does this come with a battery or not? it says no, but also says it's not required, then it also says it's required.

It does not come with a battery, the battery you need is a CR2032 battery. Buy a known brand battery not a dollar store brand.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Replacement for Liftmaster 371LM Garage Door Remote Opener

Product ID: 462315550

Details

Brand
GDR PRO
Colour
Purple
Compatible Devices
Garage Door
Max Number of Supported Devices
1
Special Feature
Ergonomic

🎯One-button ergonomic control

📶120ft max range

🔋Includes CR2032 battery

B/.115

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Sold byAmazon PanamaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚗 Unlock convenience from afar—your garage’s new best friend!

READY TO USE - Comes with battery, visor clip, and easy activation guide—plug & play convenience
EXTENDED REACH - Open your garage from up to 120 feet away—perfect for smooth arrivals
TRUSTED PERFORMANCE - 4.5-star rating from over 2,300 users proves reliability and value
EFFORTLESS OPERATION - One-button design for instant garage access—no fumbling, no delay
SEAMLESS COMPATIBILITY - Works flawlessly with Liftmaster Purple Learn Button models (2005-2011)

This GDR PRO replacement remote is engineered for Liftmaster Purple Learn Button garage door openers (2005-2011). Featuring a single ergonomic button, it offers reliable radio frequency connectivity with a 120-foot operational range. Included are a CR2032 battery, visor clip, and activation guide, ensuring quick setup and seamless integration. Highly rated by thousands, it’s the smart, affordable upgrade for hassle-free garage access.

Specifications

ASIN	B075MQCH2P
Battery Types	Lithium-Ion
Brand Name	GDR PRO
Button Quantity	1
Colour	Purple
Compatible Devices	Garage Door
Controller Type	Button Control
Customer Reviews	4.5 4.5 out of 5 stars (2,355)
Item Type Name	remote
Manufacturer	china
Manufacturer Part Number	TCK88100
Maximum Number of Supported Devices	1
Maximum Range	120 Feet
Model Name	TCK88100
Model Number	TCK88100
Network Connectivity Technology	Radio Frequency
Number of Batteries	1 LR44 batteries required.
Number of Items	1
Product Features	Ergonomic

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

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B/.115

Duties & taxes included

In stock

Sold byAmazon PanamaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Panama.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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