RGBW/Y is the new SMD LED,which have R,G,B,W/Y four color chips inside one 5050 SMD LED.The white color is pure white with high brightness,also can be other color such as yellow color.
This means this kind of strip is equal to one rgb strip and one pure white color strip or one pure yellow color strip,one strip have two other strips` function.
Can be controlled by wifi remote and cell phone(android ,ios).Change any color and dimmable you want at any time.
Can be DC12V,DC24V,30/60/72/84/96/120 LEDs per meter.
RGBW(White coloe insde could be warm white:2800-3200K,nature white:4000-4500K,white:6000-6500K. or Yellow)