... change to green immediately.. So a remote control at hand,control the candle at any time.Remote control keys included FLASH,STROBE,FADE,SMOOTH, light ... 0.5 second. FADE:Press it the light will enter an orderly circulated range color changing from green,blue,red,light ... like STROBE model. SMOOTH:Press it,the light will enter an orderly circulated range color changing from white,red,yellow,green ...