Modern ceiling fan uses a chrome finish circular cage design with 3 transparent ABS blades inside, which looks simple and elegant. Enclosed ceiling fans with high security protect your family from the dangers of fan blades and are ideal for home decor and lighting. Caged ceiling fan has the reverse function, which can change the rotation direction, the ceiling fan keeps you cool in Summer when it is rotating in the positive direction and keeps you warm in Winter when it is rotating in the reverse direction, the motor runs smoothly with low noise, bringing you a quiet sleeping environment. Smart ceiling fan has 3 settings (low/medium/high) and timer function (1/2/4 hours). You can control the light on/off, fan speed and timing functions of the ceiling fan through the remote control, which is easy to operate. Lights and ceiling fans can be controlled individually, this ceiling fan will provide great convenience in your home life, the total diameter of the ceiling fan is about 20.6 in. and the total height is about 13.50 in. (included 4.9 in. down rod);, the product package includes 2 down rods, about 4.9 in. and 9.8 in. in height, you can choose the right boom according to your installation needs. Ceiling fans require 4 x 40-Watt E26 bulbs (not included) to light up.