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 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. Features: *App Support: Free iOS and for Android mobile Tuya APP/Smart Life APP. *Sync Status: Real-time device status provided to App. *Remote ON/OFF: Turn 4 electrical devices on/off remotely from anywhere. *RF Remote control: Turn on/off by 433MHz RF Remote indoors. *3 Working Modes: Switch among interlock/self-locking/inching modes. *Independent control: Control each gang separately in Tuya APP/Smart Life APP. *Supports remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electric curtain, Garage door openerMotor,etc. *Timing: Supports 8 enabled countdown/single/repeat timing tasks to turn on/off at specified time. *DIN Rail Mounted: Great for industrial control. *Voice Control: Compatible perfectly with Amazon Alexa, for Google Home, for Google Nest,IFTTT. *Share Control: Control your smart home together with your family. Specifications: Input voltage : DC/AC 7-32V ,AC85-250V, Micro USB 5V input. Max current : 2200W/10A. WiFi standard : WiFi 2.4 ghz b/n/g. The life of Relay Model is more than 1,000,00. Default inching Function: Press the open relay by mobile phone, then cut off the pull-on imediately, you can set the inching time in APP , it has the timing-share function at the same time. Self-locking when press the inching and locking button with the light on. Press open relay to pull-on, press close relay to cut off. Noted : Your have the correct wifi password. Your smart phone or tablet must have access to APP store or google play. Your router is MAC-open. Your smart phone or tablet has connected to a 2.4g wifi with internet. Default inching time 1s , you can set inching time from 2s to 3600s in APP ( smart life / tuya smart). Include: 1* wifi module 1* manual APP Control From Anywhere You can rermote control smart device via mobile phone APP antytime and anywhere. Family Sharing Share the control with family member.Enjoy the convenience and happiness together Three control methods for easy control Voice control, app control, remote control Smart switch, bid farewell to traditional switching methods Picture display