Yes, you can still use your light switch on the wall, nevertheless light dimming function will only be available from the AONE application on your phone.
If you need more information, please contact Aurora customer support on:
UK: +44 (0) 1707351859
AUS: +61 1300 266 326
Phone lines are open Mon-Fri 9am-5pm.
Or raise a support ticket, clicking on the HELP button.