The 3 blades crystal chandelier ceiling fan, fan speed and light can be controlled separately. Provided with both functions of traditional lamps and fans. That makes it very convenient for you to use in the living room, bedroom and so on. When you turn on the ceiling fan, the blades will stretch out, while when you turn off the fan, the blades will put inside automatically. Exclusive motor technology and remote system that ensure your fan will remain Quiet for life.