Sonoff is an affordable device that provides users with smart home control. It is a WiFi-based wireless switch that can connect to a wide range of appliances. Sonoff makes all home appliances smart. As long as the mobile has a network, users can remotely control the appliances from anywhere at any time. Another feature available is to set timing schedules for the appliances, which can include countdown, scheduled on/off, and can thus, help users maintain an easy life. If you like sonoff homekit , you can buy it from Tomtop.