Flush mount, simply screw into any E27 light socket, no wiring necessary, no professional electrician, quick efficient installation It measures 5.79 inch in diameter and 3.54 " in height, built-in 10w 6000K cold white LED light, soft wind and low, adjustable in three gears With three working modes: light work independently, fan work seperately, and fan & light work together, power switch is on the for shell, you can switch the three working modes at will Built-in 5 fan is great for kids room and nursery, also can be used for living room,, garage, farmhouse, bedroom, kitchen, study and more, brings you cool in hot Multi-function design, it is not only a LED light with E27 lamp for head, but also a hanging fan, comes with a B22 to E27 adapter, allows you to extended connetcion with more devices, AC 86V-265V wide voltage