This is a simple adapter/mount plate for one of these "Tuya ZigBee Smart Switch 4 Gang 12 Scene Switches" you can find on AliExpress (i. e: https://www.aliexpress.com/item/1005001496110813.html ).

The upper part fits the bottom of a "Kopp Europa" frame. The ZigBee switch can be glued into the lower part. To change the battery, the switch can be pushed away to the left.

Hypercube Evolution

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