This model allows you to fix an Aqara smart button to a surface and still remove the button when it needs a battery change.

Holes are 3mm diameter.

Depth is based on the button with the adhesive foam attached as that's how mine came new.

Link to the product on amazon - [https://www.amazon.ca/Aqara-11LM-Wireless-Switch-White/dp/B07D19YXND?crid=2DSCS8S1T1K63&dib=eyJ2IjoiMSJ9.z8hHmjz_LdnQlC5dqC1Y-1QRZmtNeAIjxk1qjAbfcqnt0uZH8MpMnf_m3x2DzqHVYNcFHo08qyb3WeuxTb8rYJxS8BTeGlOwwXx9EqmfZzJW7CJ383FbQNc4DsQQTG6lM73Uj4xdeWLWcTzJhEk_kjaB07PRKOgKxtjViiVeNXhCwRJEw86ewMa2KnfBDuq7lnRLYmXxLGLRm2BIuthxphHlhXVkT-9vSMf4pRuOHXyrMgQumaty3y0329gtX9VNXwE_CdpYoN_ycP6N3aC2RNKhc21HEL3kBFTdMcrzYHo.JplGNsk1vU12gnn_eXb9fyluyOyiyPqa4sIdAicZVgk&dib_tag=se&keywords=aqara+button&qid=1772825081&sprefix=aqara+button%2Caps%2C180&sr=8-6](https://www.amazon.ca/Aqara-11LM-Wireless-Switch-White/dp/B07D19YXND?crid=2DSCS8S1T1K63&dib=eyJ2IjoiMSJ9.z8hHmjz_LdnQlC5dqC1Y-1QRZmtNeAIjxk1qjAbfcqnt0uZH8MpMnf_m3x2DzqHVYNcFHo08qyb3WeuxTb8rYJxS8BTeGlOwwXx9EqmfZzJW7CJ383FbQNc4DsQQTG6lM73Uj4xdeWLWcTzJhEk_kjaB07PRKOgKxtjViiVeNXhCwRJEw86ewMa2KnfBDuq7lnRLYmXxLGLRm2BIuthxphHlhXVkT-9vSMf4pRuOHXyrMgQumaty3y0329gtX9VNXwE_CdpYoN_ycP6N3aC2RNKhc21HEL3kBFTdMcrzYHo.JplGNsk1vU12gnn_eXb9fyluyOyiyPqa4sIdAicZVgk&dib_tag=se&keywords=aqara+button&qid=1772825081&sprefix=aqara+button%2Caps%2C180&sr=8-6)