Neutral Wire Required: Please make sure your electric box has a neutral wire(color in white) before purchasing. | Remote and Voice Control: Control your light from anywhere anytime. ONLY supports Meross app. Compatible with Amazon Alexa, Google Assistant and SmartThings, simply use your voice command to control it. All data is securely transmitted and stored using Amazon AWS servers in US. | Easy to Install: 15 mins installation. Only for single pole installation. Fits for your exsiting 1/2/3/4 gang standard size Decora/GFCI faceplate. Works with the 2.4G WiFi only, does NOT support 5G WiFi, no hub required. | Schedule and Timmer Setting: You can schedule it to turn on and off automatically. Added benefit of saving energy when lights are not needed or are left on by accident. Support sunrise and sunset setting. | Reliable Connection: Meross smart light switch works with Mediatek IoT chipset. Powerful chipset enable meross WiFi light switch capable of longer WiFi connection range and lower disconnection rate.