Now with Dimmer - These four tubes will give you an equivalent of 880 watts of bright, colour consistent, flicker free light. They are capable of over 8,000 hours of operation, making them an economical choice. Diffuser, barndoors, and mounting bracket included. These units come with two brackets for each head, allowing them to be positioned horizontally and vertically. Kit Includes 2 x LightPro 4 Bank Fluoro Light, 2 x Lightpro 2.8m Light Stand and cases