The Sonoff Ifan03/ifan04 Wifi Ceiling Fan Switch Module is a smart switch that allows you to easily control your ceiling fan with light from anywhere using your phone. With its stable performance and easy voice control feature, you can effortlessly turn on or off the fan and light without any manual operation. You can schedule the fan and light to turn on or off at specific times throughout the day, providing convenience and energy efficiency. The included RM433 remote controller allows you to adjust the fan speed among low, medium, and high levels for personalized comfort. The Sonoff Ifan03/ifan04 also supports the scenes feature in the app, allowing you to control multiple Sonoff devices with a single tap. Whether you're at home or away, you can manage your ceiling fan with lights through the eWeLink app. Additionally, you can set a countdown or timer for your ceiling fan with lights, ensuring it automatically turns on or off once the preset interval ends. This smart switch offers a convenient and customizable solution for controlling your ceiling fan and light. Key Features: Control your ceiling fan with light from anywhere using your phone Voice control for easy operation Schedule fan and light to turn on/off at specific times Adjust fan speed with the included remote controller Manage multiple Sonoff devices with the scenes feature Set countdown or timer for automatic control Convenient and customizable solution for controlling your ceiling fan and light