E27 Base- The fan light uses E27 standard screw-in socket, which can be easily installed on any 27 bulb base. It is very easy to install and replace. both the remote and the switch can control the bulb fan, and the fan bulb has three modes, the fan is independent, the LED is independent, and the fan and the lamp work together. Applications- Our ceiling fan bulbs can be used in garages, tool rooms and more. our fan bulb provides three fan speeds (soft, medium, strong), which you can adjust through the remote control to meet your needs. Quiet: Silent fan, sound tested to ensure that every blade shakes, creating a comfortable living environment and improving the quality of sleep.