Remote control for Ventisol fans, for infrared emitting cell phones. Before you install, make sure your phone has such a transmitter https://www.maiscelular.com/files-technics/?appliance=1&funcao=10&o=5.

App developed particularly, not related to Ventisol.
Any problems encountered or caused by the application are not Ventisol's responsibility.

If your phone has no infrared emitter, there are some pluggable emitters, but I can't guarantee the effectiveness