The Stellar Halogen 1000 offers a whole f-stop more than the standard tungsten 500 watt models. The light output is fully adjustable from full down to zero, offering greater flexibility in multi light set-ups. The extra heat generated by the 1000 watt halogen lamp is dissipated by the internal fan. Interfit pro softboxes can be fitted to the -InchS-Type-Inch reflector mount, as can many of the other stellar accessories. This kit includes a Stellar X 1000 Halogen Single Head and 24-Inchx24-Inch Softbox and 1 COR750 Light Stand. (bulb included)