WIFI Smart LED system mainly include EUColor203 App software, WiFi-203 Gateway,2.4GHz color temperature bulb, 2.4GHz RGB Bulb, 2.4GHz LED Receive controller and other led products related to 2.4GHz.You can use EUColor203 to control your lamp by wireless,or DIY any light effect you wanted.You could also use our 2.4G RF remote to control it, which provide more choice.all products in this system all work based on 2.4GHz ISM Band.