Make your life easier Sonoff smart switches provide you with perfect intelligence control solutions for your home or workplace. By using the free eWelink App wireless control, Sonoff help simplify your life so easily. Everything is under your control! Control Your home appliances or electrical devices anytime and anywhere Wherever you are, and whenever you want to turn ON/OFF your home appliances or electrical devices, you don't need to be there or others' help, you just need slightly touch the ON/OFF button on the Ewelink app. The connected devices will be automatically on/off immediately. Sonoff Dual can connect two household appliances or electrical devices, so you can remotely control two devices at the same time. The smart Ewelink app is compatible with both Android and IOS smartphone or tablet. Set timing schedule Sonoff smart switches enable you to set timing schedules for your home appliances or electrical devices. To do this, you just need to set the single/repeat/countdown timers on the Ewelink app, then you can schedule the connected light to turn on at 6:00 pm everyday, or schedule the fan to launch at a specified time so that the house can keep cool before you arrive home. Advanced Voice Control Sonoff smart switch can work perfectly with Alexa-enabled devices like Echo/Tap/Dot, as well as Google home. Just with a simply voice command, or Google Assistant will work for you, turning on/off the connected devices at once. Control home appliances or electrical devices with your voice like this: â??Alexa, turn on the light.â?? â??Alexa, set bedroom light to warm white.â?? â??Hey Google, turn off the bedroom light.â?? Compatible with Nest