Have you ever left home and worried, Oh no, did I leave the fan on? Or maybe you get comfy in bed and see a light still on in the other room? It happens! Using your mobile phone at your current place allows you to control fan operation without getting up. The combination of commanding "Okay Google" https://kroire.com/blog/what-is-home-automation-an-easy-guide-to-smart-homes-in-india/