Convection cooled, attached 16' head cable. This is a Dynalite RH1050 Road Series Mini Flash Head. The RH1050 is a 1000 watt/second, convection-cooled economical, minimum weight flash head. It has a built in recessed reflector with 140¦ coverage and no hot-spot for even light dispersion. The high reflectivity design provides for greater efficiency in softboxes and light panels.As the pioneer in compact studio and location lighting, Dynalite was the originator of the wide angle "built in reflector" design which offers ease of use with umbrellas. Every Dynalite flash tube is hand mounted in its user replaceable shock absorbing reflector assembly and tested for flash consistency, power output and color temperature accuracy.Optional attachments are available to alter the intensity and shape of the light emitted from this head. A power supply for this flash head is required.