1. Designed to work with all E27 screw light
2. Perfect for holder your photo umbrellas, slave flash or light bulbs
3. It mounts on any standard light stand
4. The extra long cords help you move them freely to position it for best lighting effects
5. Easy to use screw in head will fit standard photo bulbs
6. Length of the cable: 2.0m
7. Max suggest 150 watt