Overview: This product is a 1 or 4 channels universal WiFi wireless smart switch with RF 433MHz module, for your smart home system to remotely and automatically turn on or 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 or off each of the four gangs. It also supports timing turning on or 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 or Nest,IFTTT, and enjoy intelligent life and make your home smarter. The latest version of tuya smart module Each module is given a free shell. Each module supports RF remote control function. The first to launch 4CH Tuya 85-250V smart switch. Features: xApp Support: Free iOS and for Android mobile App Smart Life or Tuya Smart. xSync Status: Real-time device status provided to App. xRemote ON or OFF: Turn 4 electrical devices on or off remotely from anywhere. xRF Remote control: Turn on or off by 433MHz RF Remote indoors,Only support 433MHz Learning code. x3 Working Modes: Switch among interlock or self-locking or inching modes. xIndependent control: Control each gang separately in APP Tuya. xSupports remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electric curtain, etc. xTiming: Supports 8 enabled countdown or single or repeat timing tasks to turn on or off at specified time. xDIN Rail Mounted: Great for industrial control. xVoice Control: Compatible perfectly with Amazon Alexa, for Google Home, for Google Nest,IFTTT. xShare Control: Control your smart home together with your family. What can I use it for xConnect a light, remotely control the switch of the light.Connect a light, remotely control the switch of the light, and can also switch on and off regularly 19:00 On 21:00 Off xOpen your curtains regularly 7:00 xChange the water for the fish tank regularly xUs mobile phone or voice control Garage door switch xControl your heater remotely xAnd your coffee machine xConnect a water pump, remote control or timer switch More functions waiting for you to discover. DIY Specifications: Input voltage : DC or AC 7-32V, Micro USB 5V input. Max current : 2200W or 10A. WiFi standard : WiFi 2.4 ghz b or n or 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. Note : Your have the correct wif 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 1s to 3600s in APP ( smart life or tuya smart). This intelligent module only outputs signals, not voltages. This smart module is only compatible with 433MHz learning code remote control, not with rolling code. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.