Ghome Smart Switch, 2 Point 4 Ghz Wi-Fi Switch Works With Alexa, Google, 4 Pack. smart light switch work with alexa wifi home 15 amp wall single pole neutral wire interruptor inteligente devices for lights Neutral Wire Required: Please make sure your electric box has a neutral wire(in white color) before purchasing Smart Light Switch. If you are not sure, please take a photo of the inner part of your electric box and send it to us. We can check it for you timely. Wise Choice for Smart Home- Please note :Neutral wire required, Only for 2.4G WiFi. FCC and UL certificated.15 A smart switch is safer than other 10A switches. The user manual will guide you step by step to set up. The Alexa smart switch comes with a screwless snap-on wall plate. Flammability UL94-V0, prevent lightning, surges, and spikes. Voice Control-The alexa wifi light switch works with Alexa Google Home Assistant to free your hands; No Hub or subscription is required. Enable the skill in the Alexa/Google app to pair. APP Remote Control - Control your lights by your way anywhere anytime on the Alexa light switch. Turn on or off your lights anytime with your smartphone on the App, no matter if you are at home, in your office, or on your vacation. Time Schedule-Install the wifi switch in your house to get a smart home. Schedule your lights to make it look like you're always home. More smart functions waiting for you to design. Sync on and off times to sunrise and sunset, porch lights will greet you when you come home late. Start Smart Home- Alexa light switch seamlessly replaces your old wall light switch. Make your home smart with the smart switch. We try our best to gain customers' satisfaction. 7*24 hour online response and effective communication is what promised to you. This smart light switch has a million click life ,and the switch button sound is crisp just like mouse botton sound.