Key Details: APP Remote Control - eWeLink APP enables you to control all SONOFF devices anywhere with one tap via iOS & Android smart phone, no distance limitation. You can also track the devices real-time status anytime. Schedule Automatic Control - By presetting timers or schedules on eWeLink App, a lamp can be automatically turned on/off at a specific time. Automate your home appliances via 3 timing types: scheduled timing, countdown timing and loop timing. Smart Scene - You can create smart scenes in order that one SONOFF device can trigger on/off another one or gather multiple devices into one group and tap to run them together. Hands-free Voice Control - compatible with Amazon Alexa ( Amazon Echo/Echo Dot/Amazon Tap) and Google Home Assistant. It allows you to use your voice to control home devices and enjoy hands-free experience