About This EASY AND SAFE TO INSTALL: Neutral wire is required standard wall plate size,For 2.4G Wi-Fi only , Step-by-step instructions will guide you through the wiring process.10A,ETL,CE Certified VOICE CONTROL:Smart Switch works with Amazon Alexa, home assistant, With Smart Light Switch, you can turn on/off your light with your voice.When you have not free hands,you can say “Alexa, turn on kitchen light” REMOTE CONTROL:Mobile phone remote control, no matter where you are, you can control the lights at any time, grasp the situation at home anytime and anywhere, so that you can rest assured when you travel. Don't worry about not turning off the lights when you go out. AUTOMATED SCHEDULES:Use timer or countdown schedules to set your smart switch to automatically turn on and off while you're home or away. After setting the timer, you don’t need to sleep in the dark at night TRUSTED AND RELIABLE:12-month Warranty. Any questions, contact customer service and you will experience great service. We will offer you satisfactory solution and we will reply you within 12 hours. Overview Operation Mode : ON-OFF-ON Current Rating : 10 Amps Operating Voltage : 120 Volts Contact Type : Normally Closed Connector Type : Clamp Brand : Jinvoo Switch Type : SCR Terminal : Through Hole Material : Acrylonitrile Butadiene Styrene Item dimensions L x W x H : 0.2 x 0.12 x 0.12 inches