1/2/4 Gang Smart Wifi Switch Use for 1.Remotely give a pulse signal to turn on/off Lights,Lamps and other home appliance. 2.Remotely give a pulse signal to turn on/off Garage Door,Door Access 3.Remotely give a pulse signal to control DC Motor,AC Motor to Forward and Reverse *The RF433 remote controller don't include battery battery type:23A 12V Overview: This product is a 4 channels universal WiFi wireless smart switch with RF 433MHz module, for your smart home system to remotely and automatically turn on/off home appliances and electronic devices by phone APP. It also can be controlled by RF remote controller indoors. It can connect and control four appliances on APP at the same time, and you can independently turn on/off each of the four gangs. It also supports timing turning on/off the appliances at a specified time, and share to others so that you can control your smart home together with your family. You can also voice control your home appliances by Amazon Alexa, and for Google Home/Nest,IFTTT, and enjoy intelligent life and make your home smarter. Specifications: LEDs: 3 LEDs(indicate working mode, wifi status, relay on/off status respectively) Supports to control different voltage ranges USB port power supply more convenient Board consumption: