RGBW LED bulbs can be controlled by remote control within 30 meters distance,One remote control can control 4-group led bulbs,one remote can control thousands of LED bulbs at the same time in each group,2.4GHz RF wireless signal will work through any walls at home, it has memory functions, you just need set it  the first time you use.

All RGBW LED bulbs can be controlled by smartphone(iphone, ipad, Android) when equipped with Wifi controller ,Connecting iphone, ipad or other smart phone(compatible with iOS5.1 and Android 2.1 or above) to Wifi controller.Free software( ios downloaded from Apple Store and Android os downloaded from  Google play), easy setting and operation ( same with 24G RF remote).  Realizing long-range control throught 3G network. it can be controlled by both remote and smartphone app at the same time. It support Android os 2.2 and iOS 5.0 above device.