This smart wifi module with mini design suits for wall switch box,and easily hide it into your hidden wall switch box of your traditional switch without any influences on your original decoration style to smart.More importantly,your traditional switch and this smart module can work independently under non-interfering mode. [Hands-free Voice Control ]Free hands via easy voice control with and Googel Home.Compatible with & Home, the smart switch allows you to control lights on/off with your voice. [DIY Smart Home]The smart relay switch module is great for retrofitting existing home devices,such as lamps,fans,sockets,xmas lights,fireplace,outdoor garden light,garage door opener,etc. [Timer & Schedule]Timer and Countdown Setting . Another feature available if to set timing schedules for the appliances, which can include countdown, scheduled on/off .It's simple,giving you one less thing to worry about in your busy life.Control your devices at to automatically turn on/off. Various control methods are compatible with traditional switches, and you can set the switching state of the input module., Weight: 0.14550509292 pounds, Manufacturer: Xnuiasqe