High Quality and Safety The Woolley Alexa Smart Touch Light Switch WS-EU-2C-White is a smart wall light switch that lets you know your light is on or off state and provides remote control anywhere, anytime. The smart wall light switch is made of PC and tempered glass, which is waterproof and anti-electric shock, and passed CE certification to ensure the safety of you and your family. .App Remote Control This Woolley WiFi Smart Light Switch is supported to be added to "ewelink" APP, then you can get to know your light output and remote control anywhere and anytime through the "eWelink" APP. A notice: The Woolley WiFi Smart Wall Switch can only be used on a 2.4GHz network (5GHz network is not supported). .RF 433MHz Control The smart wall switch also supports RF 433MHz remote control. so that you can get a comfortable life. .Voice Control The Woolley Alexa Smart Touch light switch is compatible with Alexa and Google Home. You can control the light switch with your voice and release your hands.