This is WiFi enabled Smart Switch and Fan Controller can be PROGRAMMED/SCHEDULED. It fits in to Anchor ROMA, GM, Crabtree Modular Switch Board in place of two switches. Denler panel takes space of 2 ordinary switches. It allows you to turn ON/Off and control speed using your AMAZON ALEXA, GOOGLE ASSISTANT and SmartLife APP. MANUAL override switch allows you to control your appliances manually. It can be configured to restore last state on Power-Cut/Power-Resume scenarios. Weekly and Daily Scheduling Facility allows you to save energy bills by automating ON/OFF conditions at specified time. Its scheduling facility is designed for Indian scenarios. After power-cut and power resume it executes any missed schedule (during power cut) once it is connected to internet after power resume. You can connect smart fan controller to existing plug socket making it a smart socket.
Easiest app configuration in all home automation products. Just install SmartLife app before connecting Switch to power and once switch is powered click add device button popup in app.