"220V Cooling Fan" in crystal-controlled intelligent home appliances upgrade project, a good demonstration effect. Through the transformation of crystal-controlled intelligence technology, which from the traditional manual control of the fan, into a cell phone can be used to control a fan. As we all know, the market average remote control "220V Cooling Fan" has restrictions on remote distance, usually within 3-5 meters before the control; and through crystal-controlled intelligent upgrade of "220V Cooling Fan", around the world can make your remote control, this a function to meet the great necessities of life, let you get rid of distance limitations, no longer up to control the fan of.