About this item 1.Advanced controlling mode (2 switches control 1 light) with multi-control association of this switch to other WiFi smart switches via app; only 1 gang switch is designed with no screws, and 2/3/4 gang will require screws (Note:You can multi-control associate of this switch to multiple different switches,but several gangs on one switch is not available,only one gang on one switch can be associated for multi-control.) 2.Unlike traditional switches, this smart switch can be controlled via app, touch, voice control, and multi-control as a controlling mode by associating to other smart switches. 3.With upgraded features including ON/OFF restart status, remembering last settings when powered off, and indicate light mode with NO/OFF optional; compatible with Alexa and Google Home for hands-free voice control; allows remote control via smartphone app, anytime, anywhere. 4.Take full control of connected appliances with timers, schedules and countdowns (1/5/30 mins, 1 hour, etc.) via the app; share control with family and friends for added convenience. 5.Neutral wire required/ Only support 2.4GHz WiFi/ Install without power › See more product details