RGB is 4PinCCT is 4PinRGBW/RGBWW is 5PinRGBCCT is 6Pinnote: 1. you can take on/off 5 times until the led flash,then connect the app.2. USB Controller need connect with 5V led strip.Specifications:Product Name:wifi mini ControllerColor: WhiteModel No.:TY-mini-WIFIVoltage: DC5V-24VDC diameter:5.5*2.5 mmOutput: Max. 0-3A/ChannelControler Controler Max 5 channel RGBCCT Controle/ Max 4 channel RGBW Controler/ Max 3 channel RGB/ Max 2 channel CCTNOTE:RGBCCT 6pin spacing is 2.0mmControl App: smart lifeControl Signal: Wi-Fi 2.4GHzSupport system: Alexa/GoogleSupport mobile: Android/IOSSize:64*24*12(mm)Operating Temperature:-20-60Package Includes:1pcs* WIFI LED Controller(Remote without battery)Where does this controller use?it can use in entertainment ,party,Wedding, bar,ballroom,cinema,Entertainment venue as.it can use in car,Advertising board,illumination,decoration TV backlight,computer backlight as.How to use it?1.Connect this wifi strip light controller to the LED light strip via the 4 pin connector, and also connect to power via the DC port with the power adapter of the light strip.2.Search "Smart Life" on your app store, or scan the QR code on User Manual to download and install it.3.Register your Smart Life account.4.Go to "smart life" app on your phone, click "Direct connect the device control", then you can control your led light strip via your phone.Compatible with Alexa Che & Google AistantAlexa, turn on/offAlexa, set to 1%-100%Alexa, dim/brighten Alexa, increase/decrease Alexa, set to red...Alexa, change the to the color blue...Alexa, change the to the cool whiteAlexa, set the to daylight