Sdida LED RGB Bulb E27 Equivalent to 15W, Remote Control, Color Changing and Dimmable Light Bulb LED Light Bulb Color Changing by Remote Controller: 16 colors choices by a 24 keys IR remote controller. The RGB bulb is great for decorating and mood lighting. Dimmable, 4 Levels Brightness Adjustable: 4-levels adjustable brightness controlled when press the up/down button to +/- the brightness. The Special Bulb Have New Design by Sdida: High frequency flicker in Strobe; Use 1 remote controller to adjust multiple blubs within 1 meter in same position; And it have the memory in the color/function last time you turn off. Multi-Modes, 4 Functions of Colors Changing: You can enjoy a party at home, Flash (change color by every 1 second interval), Strobe(very quick blink and color changed at the some time with high frequecy, like you are in Bar, KTV), Smooth, Fade. Easy Installation: Sdida LED Bulb with E27 base, Perfect to use in living room, bedroom, lovely decoration in your family or party.