I have tried this one. When set for delay action, it will starts the devices after that delay but it will not be turned OFF. I need to turn the devices OFF after minute, especially the ozone sensor.

Hello friends! I have this problem and have no idea how to solve it. Any advice is appreciated. I have a quality air monitoring device that is connected to Smart Life. Connected to HVAC (heating, ventilation and air conditioning) system in my home there are two devices: 1. Fresh air fan that...