After SONOFF BASICZBR3 ZigBee DIY smart switch, a new US-type smart plug – SONOFF S31 Lite zb goes into ZigBee smart home system. This ZigBee smart plug is compatible with Alexa devices to achieve a voice-controlled home, like ZE39KL Echo Plus, Echo Studio, DW84JL 2nd Gen Echo Show & L9D29R 2nd Gen Echo Plus. Connecting the SmartThing hub to the smart plug and you will remotely control your devices via your smartphone and schedule devices on/off. The sunrise and sunset routine in Alexa app can help activate the connected light when the sun rises and inactivate when the sun sets as long as you enable this mode. Easy use without any installation. Quick to pair with Alexa devices via your voice commend.