Remote in this video - [ Ссылка ]
You need 2 2032 batteries - [ Ссылка ]

Here is a quick little video on how to change your dead / weak battery in your Linear garage door remote. This specific remote is the MCT-3

LINEAR Megacode Garage Door Openers MCT-3 Three Button Remote Control
Activates three MegaCode garage door opener receivers.
Compatible with all Linear-MegaCode door operator systems, including LDO33, LDO50, LSO50 and LC075 series openers.
Smart Button coding . 318MHz frequency.
Dimensions 2 1/2" x 2 1/2" x 1 1/2".
Battery, visor clip, and instructions are included.

Hope this was helpful for you!

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