Announcement of the release of the video "Exchange from Keylex 800 to 3100"

We have published a video on the official Nagasawa Manufacturing Co., Ltd. YouTube page titled "Replacement from Keylex 800 to 3100."
By making a few additional modifications, we can simplify the process of changing the memory number.
If you are currently using the Keylex 800 automatic locking system, please take a look.

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A must-see for those using Keylex 800!
If you want to easily change your number, the Keylex 3100 will solve your problem.
The time required for the replacement is only 30 minutes! With just that, changing the number becomes very easy. Please consider it!
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