If you want to access the QR code of your Check'In, know that it is also on the box.
If you wish to access the IMEI of your sensor, this can be found in the Check'In application in the Settings tab then Advanced information.
To remove Check'In from its support, remove the SafeStick from the middle slot to place it in the top slot of the Check'In. You can use the tip of a paperclip or the tip of a pen to help you do this.
❗ Make sure to use the SafeStick properly to avoid damaging the Check'In support!
Here is the video procedure: