Independently control 4 devices : Just need one Sonoff 4ch that can make you connect and control four home appliances and electronic devices independently.
Smart remote control switch: You can check your home appliance status anytime & anywhere, and control them on/off with just a click on your smart phone or tablet via WiFi via APP eWeLink. It's no limit to the distance.
Share control of devices to others: You can simply share control of your home appliances to others so that they can also turn on/off the devices remotely.
Set time schedules for automatic control: It has single, repeating, and countdown timers that you can use to control home appliance on/off automatically.