1. it is very handy, controlling the light with built-in on/off switch at the back of the socket
2.its standard base size, e27, makes it universal compatibility with most types of bulb
3. 7 feet long power cable line enables the much flexibility around the photo/video studio environment
4.provides light full control over your flash or slave positioning
5.can be added as an umbrella reflector (does not include light bulbs)