The Meross Smart Light Switch Is A 2 Point 4Ghz Wi-Fi Light Switch That Supports 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. Remote Control: To enable HomeKit remote control, you need a HomePod, an Apple TV 4K, Apple TV HD, or an iPad. Set any of these Apple devices in your house as a HomeKit bridge and connect it to your home Wi-Fi network. Keep in mind that once your HomeKit bridge is set up, it has to be kept online. If it is powered off or disconnected from the Wi-Fi, it will fail to respond when you intend to control the device remotely. Voice Control: Compatible with Apple HomeKit, Apple Watch, Siri, Carplay, Amazon Alexa, Google Assistant and SmartThings. You can give simple voice commands to turn on/off the devices that are connected to the smart light switch. Just say "Hey Siri, turn off the living room light." All data is securely transmitted and stored using AWS servers in the US. Easy to Install: Less than 15 min installation. Works in a single pole setup only(Not 3 Way). the smart switch fits for your existing 1/2/3/4 gang standard size Decora/GFCI faceplate. The smart switch works with 2.4GHz Wi-Fi only, does NOT support 5GHz Wi-Fi, and no hub required. Schedule and Timer Setting: Meross light switch supports to turn on and off the light automatically. Added benefit of saving energy when lights are not needed or are left on by accident. Support sunrise and sunset setting.