AJAX DoubleButton User Manual page 9

How to fix DoubleButton on a surface
To fix the device on a surface (e. g. under a table), use Holder.
To install the device in the holder:
1. Choose a location to install the holder.
2. Press the button to test whether the commands are delivered to a hub. If
not, choose another location or use the
When routing DoubleButton through ReX, keep in mind that it does not
automatically switch between a range extender and a hub. You can assign
DoubleButton to a hub or another ReX in the Ajax app.
3. Fix Holder on the surface using the bundled screws or double-sided
adhesive tape.
4. Put DoubleButton into the holder.
ReX radio signal range extender .